watchOS Apple watchOS Apple Watch Operating System

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Recent Apple watchOS Security Advisories

Advisory Title Published
126352 watchOS 26.3 - Apple Security Content February 11, 2026
125890 watchOS 26.2 - Apple Security Content December 12, 2025
125639 watchOS 26.1 - Apple Security Content November 3, 2025
125116 watchOS 26 - Apple Security Content September 15, 2025
124155 watchOS 11.6 - Apple Security Content July 29, 2025
122722 watchOS 11.5 - Apple Security Content May 12, 2025
122376 watchOS 11.4 - Apple Security Content April 1, 2025
122903 watchOS 11.3.1 - Apple Security Content February 10, 2025
122071 watchOS 11.3 - Apple Security Content January 27, 2025
121843 watchOS 11.2 - Apple Security Content December 11, 2024

EOL Dates

Ensure that you are using a supported version of Apple watchOS. Here are some end of life, and end of support dates for Apple watchOS.

Release EOL Date Status
26 -
Active

11 September 15, 2025
EOL

Apple watchOS 11 became EOL in 2025.

10 September 16, 2024
EOL

Apple watchOS 10 became EOL in 2024.

9 September 18, 2023
EOL

Apple watchOS 9 became EOL in 2023.

8 September 12, 2022
EOL

Apple watchOS 8 became EOL in 2022.

7 September 20, 2021
EOL

Apple watchOS 7 became EOL in 2021.

6 September 16, 2020
EOL

Apple watchOS 6 became EOL in 2020.

5 September 19, 2019
EOL

Apple watchOS 5 became EOL in 2019.

4 September 17, 2018
EOL

Apple watchOS 4 became EOL in 2018.

3 September 19, 2017
EOL

Apple watchOS 3 became EOL in 2017.

By the Year

In 2026 there have been 17 vulnerabilities in Apple watchOS with an average score of 6.0 out of ten. Last year, in 2025 watchOS had 218 security vulnerabilities published. Right now, watchOS is on track to have less security vulnerabilities in 2026 than it did last year. Last year, the average CVE base score was greater by 0.64




Year Vulnerabilities Average Score
2026 17 6.03
2025 218 6.67
2024 171 6.35
2023 160 6.76
2022 150 7.24
2021 254 7.15
2020 207 7.46
2019 202 7.88
2018 57 7.54

It may take a day or so for new watchOS vulnerabilities to show up in the stats or in the list of recent security vulnerabilities. Additionally vulnerabilities may be tagged under a different product or component name.

Recent Apple watchOS Security Vulnerabilities

Apple OS DoS via Malicious File Handling (fixed in 26.3, 14.8.4, 15.7.4, 18.7.5)
CVE-2026-20609 4.4 - Medium - February 11, 2026

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

Out-of-bounds Read

Apple OS Logging Leak Fixed in 26.3
CVE-2026-20649 5.5 - Medium - February 11, 2026

A logging issue was addressed with improved data redaction. This issue is fixed in watchOS 26.3, iOS 26.3 and iPadOS 26.3, tvOS 26.3, macOS Tahoe 26.3. A user may be able to view sensitive user information.

Insecure Temporary File

Apple OS 26.3: Memory Corruption CVE-2026-20700 Fixed
CVE-2026-20700 7.8 - High - February 11, 2026

A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker with memory write capability may be able to execute arbitrary code. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 and CVE-2025-43529 were also issued in response to this report.

Buffer Overflow

Apple OS Sandbox Escape via Permission Issue before 15.7.4
CVE-2026-20628 7.1 - High - February 11, 2026

A permissions issue was addressed with additional restrictions. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to break out of its sandbox.

Authorization

Safari memory handling crash (CVE-2026-20635)
CVE-2026-20635 4.3 - Medium - February 11, 2026

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3, Safari 26.3. Processing maliciously crafted web content may lead to an unexpected process crash.

Buffer Overflow

Apple OS 26.3 Memory Handling Fix Prevents App-Induced System Termination
CVE-2026-20654 5.5 - Medium - February 11, 2026

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to cause unexpected system termination.

Buffer Overflow

Apple OS Image Parser Memory Disclosure (before 18.7.5/26.3)
CVE-2026-20634 5.5 - Medium - February 11, 2026

The issue was addressed with improved memory handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted image may result in disclosure of process memory.

Apple OS Image Disclosure Pre 26.3
CVE-2026-20675 5.5 - Medium - February 11, 2026

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted image may lead to disclosure of user information.

Out-of-bounds Read

Root via race condition on Apple OS v26.3
CVE-2026-20617 7 - High - February 11, 2026

A race condition was addressed with improved state handling. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to gain root privileges.

Race Condition

Apple OS App-Discovery Priv. Bypass (watchOS 26.3 / tvOS 26.3 / macOS 15.7.4 / iOS 18.7.5)
CVE-2026-20641 7.1 - High - February 11, 2026

A privacy issue was addressed with improved checks. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to identify what other apps a user has installed.

Information Disclosure

Apple OS DoS via Bluetooth (CVE-2026-20650) fixed in 26.3
CVE-2026-20650 7.5 - High - February 11, 2026

A denial-of-service issue was addressed with improved validation. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Bluetooth packets.

Resource Exhaustion

Apple OS Media OOB Crash, fixed v26.3/14.8.4/15.7.4
CVE-2026-20611 7.1 - High - February 11, 2026

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory.

Out-of-bounds Read

Apple OS Env Var Validation Flaw before 26.3
CVE-2026-20627 5.5 - Medium - February 11, 2026

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in watchOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An app may be able to access sensitive user data.

Improper Input Validation

Apple OS network logic flaw allows traffic interception (fixed 26.3 & 14.8.4)
CVE-2026-20671 3.1 - Low - February 11, 2026

A logic issue was addressed with improved checks. This issue is fixed in watchOS 26.3, tvOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 18.7.5 and iPadOS 18.7.5, visionOS 26.3, iOS 26.3 and iPadOS 26.3. An attacker in a privileged network position may be able to intercept network traffic.

Sandbox Bypass Logic Issue fixed in Apple OS 26.3
CVE-2026-20667 8.8 - High - February 11, 2026

A logic issue was addressed with improved checks. This issue is fixed in watchOS 26.3, macOS Tahoe 26.3, macOS Sonoma 14.8.4, macOS Sequoia 15.7.4, iOS 26.3 and iPadOS 26.3. An app may be able to break out of its sandbox.

Protection Mechanism Failure

Apple WebKit Memory Handling Crash Fixed v26.2
CVE-2025-46298 6.5 - Medium - January 09, 2026

The issue was addressed with improved memory handling. This issue is fixed in tvOS 26.2, Safari 26.2, watchOS 26.2, visionOS 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Buffer Overflow

Memory init leak in Safari 26.2 on Apple iOS/watchOS/etc. (CVE-2025-46299)
CVE-2025-46299 4.3 - Medium - January 09, 2026

A memory initialization issue was addressed with improved memory handling. This issue is fixed in tvOS 26.2, Safari 26.2, watchOS 26.2, visionOS 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2. Processing maliciously crafted web content may disclose internal states of the app.

Authorization

Apple iOS/watchOS: App ID Retrieval Privacy Issue Fixed in 18.7.3/26.2
CVE-2025-46279 9.8 - Critical - December 17, 2025

A permissions issue was addressed with additional restrictions. This issue is fixed in watchOS 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. An app may be able to identify what other apps a user has installed.

Information Disclosure

Apple 26.2 OS: HID MEM Corrupt (Bad Input)
CVE-2025-43533 3.5 - Low - December 17, 2025

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in watchOS 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. A malicious HID device may cause an unexpected process crash.

Improper Input Validation

Apple iOS/macOS Use-After-Free in Safari (fixed 26.2) CAU leading to code exec
CVE-2025-43529 8.8 - High - December 17, 2025

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.

Dangling pointer

Apple OS Payment Token Access via Permission Flaw (v26.2)
CVE-2025-46288 5.5 - Medium - December 17, 2025

A permissions issue was addressed with additional restrictions. This issue is fixed in visionOS 26.2, iOS 26.2 and iPadOS 26.2, watchOS 26.2, macOS Tahoe 26.2. An app may be able to access sensitive payment tokens.

Authorization

Apple Safari race condition leads to crash from malicious content
CVE-2025-43531 3.1 - Low - December 17, 2025

A race condition was addressed with improved state handling. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Race Condition

macOS 26.2 Redaction Fix Prevents Safari History Leak
CVE-2025-46277 5.5 - Medium - December 17, 2025

A logging issue was addressed with improved data redaction. This issue is fixed in macOS Tahoe 26.2, iOS 26.2 and iPadOS 26.2, watchOS 26.2. An app may be able to access a users Safari history.

Insertion of Sensitive Information into Log File

Apple macOS Spellcheck API File Access Escalation (Fixed 14.8.3/15.7.3)
CVE-2025-43518 3.3 - Low - December 12, 2025

A logic issue was addressed with improved checks. This issue is fixed in watchOS 26.2, macOS Sonoma 14.8.3, macOS Tahoe 26.2, iOS 26.2 and iPadOS 26.2, macOS Sequoia 15.7.3. An app may be able to inappropriately access files through the spellcheck API.

Authorization

macOS Sonoma 14.x log data redaction flaw exposes sensitive data
CVE-2025-43538 - December 12, 2025

A logging issue was addressed with improved data redaction. This issue is fixed in watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. An app may be able to access sensitive user data.

Insertion of Sensitive Information into Log File

macOS File Processing Memory Corruption (Fixed 14.8.3/15.7.3)
CVE-2025-43539 8.8 - High - December 12, 2025

The issue was addressed with improved bounds checks. This issue is fixed in watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, macOS Sequoia 15.7.3, visionOS 26.2, tvOS 26.2. Processing a file may lead to memory corruption.

Buffer Overflow

macOS FaceTime Caller ID Spoof Before 14.8.3/15.7.3
CVE-2025-46287 9.8 - Critical - December 12, 2025

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, macOS Sequoia 15.7.3, visionOS 26.2. An attacker may be able to spoof their FaceTime caller ID.

User Interface (UI) Misrepresentation of Critical Information

Apple Mail Header Parsing DoS in iOS/macOS/watchOS (26.1)
CVE-2025-43494 7.5 - High - December 12, 2025

A mail header parsing issue was addressed with improved checks. This issue is fixed in watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, macOS Sonoma 14.8.2, macOS Sequoia 15.7.2, iOS 26.1 and iPadOS 26.1. An attacker may be able to cause a persistent denial-of-service.

Improper Input Validation

Memory Corruption via Bounds Check, macOS Sonoma 14.8.3 / Sequoia 15.7.3
CVE-2025-43532 2.8 - Low - December 12, 2025

A memory corruption issue was addressed with improved bounds checking. This issue is fixed in watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, macOS Sequoia 15.7.3, visionOS 26.2, tvOS 26.2. Processing malicious data may lead to unexpected app termination.

Classic Buffer Overflow

Apple macOS Integer Overflow Root Escalation Fixed in 14.8.3/15.7.3
CVE-2025-46285 7.8 - High - December 12, 2025

An integer overflow was addressed by adopting 64-bit timestamps. This issue is fixed in watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, macOS Sequoia 15.7.3, visionOS 26.2, tvOS 26.2. An app may be able to gain root privileges.

Integer Overflow or Wraparound

Memory Corruption via Improper Lock State Checking in Apple OS 26.1
CVE-2025-43510 7.8 - High - December 12, 2025

A memory corruption issue was addressed with improved lock state checking. This issue is fixed in watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, tvOS 26.1, macOS Sonoma 14.8.2, macOS Sequoia 15.7.2, iOS 26.1 and iPadOS 26.1. A malicious application may cause unexpected changes in memory shared between processes.

Race Condition

Use-After-Free Crash via Web Content in iOS+iPadOS (fixed in 18.7.2)
CVE-2025-43511 6.5 - Medium - December 12, 2025

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash.

Dangling pointer

macOS Info-Disclosure via Privacy Controls (Sonoma<14.8.3/Sequoia<15.7.3)
CVE-2025-46276 3.3 - Low - December 12, 2025

An information disclosure issue was addressed with improved privacy controls. This issue is fixed in watchOS 26.2, macOS Sonoma 14.8.3, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, macOS Sequoia 15.7.3, visionOS 26.2. An app may be able to access sensitive user data.

Apple OS Kernel Memcorrupt (iOS18.7.2, watchOS26.1, macOS15.7.2) fixed 26.1
CVE-2025-43520 5.5 - Medium - December 12, 2025

A memory corruption issue was addressed with improved memory handling. This issue is fixed in watchOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Tahoe 26.1, visionOS 26.1, tvOS 26.1, macOS Sonoma 14.8.2, macOS Sequoia 15.7.2, iOS 26.1 and iPadOS 26.1. A malicious application may be able to cause unexpected system termination or write kernel memory.

Out-of-Bounds in ANGLE, Google Chrome <143.0.7499.110, Mac
CVE-2025-14174 8.8 - High - December 12, 2025

Out of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)

Buffer Overflow

Apple OS Kernel OOB Read via Bounds Check - Fixed in iOS 18.5
CVE-2025-43374 4.3 - Medium - November 21, 2025

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, visionOS 2.5, macOS Sonoma 14.7.3, macOS Ventura 13.7.3, macOS Sequoia 15.5, watchOS 11.5. An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory.

Stack Overflow

OOB Access in watchOS tvOS visionOS iOS iPadOS Before 11.4/18.4 Bypass ASLR
CVE-2025-43205 4 - Medium - November 12, 2025

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in watchOS 11.4, tvOS 18.4, visionOS 2.4, iOS 18.4 and iPadOS 18.4. An app may be able to bypass ASLR.

Out-of-bounds Read

Apple Safari 26.1: Web Content Crash Vulnerability
CVE-2025-43430 4.3 - Medium - November 04, 2025

This issue was addressed through improved state management. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

Improper Input Validation

Apple OSs: watchOS 26.1/iOS 26.1/iPadOS 26.1/visionOS 26.1 Memory Leak/Kernel Corruption
CVE-2025-43447 5.5 - Medium - November 04, 2025

The issue was addressed with improved memory handling. This issue is fixed in iOS 26.1 and iPadOS 26.1, watchOS 26.1, macOS Tahoe 26.1, visionOS 26.1. An app may be able to cause unexpected system termination or corrupt kernel memory.

Buffer Overflow

Apple OS Sensitive Data Access Vulnerability (CVE-2025-43345)
CVE-2025-43345 5.5 - Medium - November 04, 2025

A correctness issue was addressed with improved checks. This issue is fixed in tvOS 26, watchOS 26, macOS Sonoma 14.8, iOS 26 and iPadOS 26, macOS Sequoia 15.7, visionOS 26, iOS 18.7 and iPadOS 18.7. An app may be able to access sensitive user data.

Information Disclosure

Apple OS UI Spoofing (before 26.1)
CVE-2025-43503 4.3 - Medium - November 04, 2025

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Visiting a malicious website may lead to user interface spoofing.

Authentication Bypass by Spoofing

Safari/iOS memory corruption via web content, fixed v26.1
CVE-2025-43431 8.8 - High - November 04, 2025

The issue was addressed with improved memory handling. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to memory corruption.

Buffer Overflow

Apple OS Symlink Validation Flaw Allows Data Access (pre-26.1)
CVE-2025-43379 5.5 - Medium - November 04, 2025

This issue was addressed with improved validation of symlinks. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS Sonoma 14.8.2, visionOS 26.1. An app may be able to access protected user data.

insecure temporary file

Safari UA-FREE Crash before 26.1 on iOS/iPadOS/watchOS, visionOS
CVE-2025-43457 6.5 - Medium - November 04, 2025

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Dangling pointer

Apple OS 26.1 App Enumeration Permission Escalation
CVE-2025-43436 7.5 - High - November 04, 2025

A permissions issue was addressed with additional restrictions. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, visionOS 26.1. An app may be able to enumerate a user's installed apps.

Authentication Bypass Using an Alternate Path or Channel

Apple visionOS/iOS Fingerprint Vulnerability via Entitlement Checks
CVE-2025-43323 8.1 - High - November 04, 2025

This issue was addressed with additional entitlement checks. This issue is fixed in visionOS 26, tvOS 26, iOS 26 and iPadOS 26, watchOS 26. An app may be able to fingerprint the user.

Information Disclosure

Safari Crash via Malformed Web Content Fixed in 26.1
CVE-2025-43440 6.5 - Medium - November 04, 2025

This issue was addressed with improved checks This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

XSS

Apple OS Remote Images Load Even When Setting Turned Off (Fixed 26.1/15.7.2)
CVE-2025-43496 7.5 - High - November 04, 2025

The issue was addressed by adding additional logic. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, iOS 18.7.2 and iPadOS 18.7.2, macOS Sequoia 15.7.2, visionOS 26.1. Remote content may be loaded even when the 'Load Remote Images' setting is turned off.

Privacy violation

Safari use-after-free crash on watchOS/iOS @26.1
CVE-2025-43438 4.3 - Medium - November 04, 2025

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Dangling pointer

Cross-Origin Data Exfiltration in Safari 26.1 (CVE-2025-43480)
CVE-2025-43480 8.1 - High - November 04, 2025

The issue was addressed with improved checks. This issue is fixed in tvOS 26.1, watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, visionOS 26.1. A malicious website may exfiltrate data cross-origin.

Permissive Cross-domain Policy with Untrusted Domains

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