Microsoft Windows 11 2h2
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By the Year
In 2026 there have been 8 vulnerabilities in Microsoft Windows 11 2h2 with an average score of 7.1 out of ten. Last year, in 2025 Windows 11 2h2 had 93 security vulnerabilities published. Right now, Windows 11 2h2 is on track to have less security vulnerabilities in 2026 than it did last year. However, the average CVE base score of the vulnerabilities in 2026 is greater by 0.13.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 8 | 7.09 |
| 2025 | 93 | 6.96 |
It may take a day or so for new Windows 11 2h2 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 Microsoft Windows 11 2h2 Security Vulnerabilities
Mar 2026: Windows Extensible File Allocation Table Elevation of Privilege Vulnerability
CVE-2026-25174
7.8 - High
- March 10, 2026
Out-of-bounds read in Windows Extensible File Allocation allows an authorized attacker to elevate privileges locally.
Out-of-bounds Read
Mar 2026: Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-24287
7.8 - High
- March 10, 2026
External control of file name or path in Windows Kernel allows an authorized attacker to elevate privileges locally.
External Control of File Name or Path
Mar 2026: Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
CVE-2026-23673
7.8 - High
- March 10, 2026
Out-of-bounds read in Windows Resilient File System (ReFS) allows an authorized attacker to elevate privileges locally.
Out-of-bounds Read
Mar 2026: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerabili
CVE-2026-23672
7.8 - High
- March 10, 2026
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Out-of-bounds Read
Jan 2026: Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
CVE-2026-20938
7.8 - High
- January 13, 2026
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.
Untrusted Pointer Dereference
Jan 2026: Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2026-20820
7.8 - High
- January 13, 2026
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Jan 2026: Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability
CVE-2026-20819
5.5 - Medium
- January 13, 2026
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.
Untrusted Pointer Dereference
Jan 2026: Dynamic Root of Trust for Measurement (DRTM) Information Disclosure Vulnerability
CVE-2026-20962
4.4 - Medium
- January 13, 2026
Use of uninitialized resource in Dynamic Root of Trust for Measurement (DRTM) allows an authorized attacker to disclose information locally.
Use of Uninitialized Resource
Nov 2025: Windows Administrator Protection Elevation of Privilege Vulnerability
CVE-2025-60721
7.8 - High
- November 11, 2025
Privilege context switching error in Windows Administrator Protection allows an authorized attacker to elevate privileges locally.
Privilege Context Switching Error
Oct 2025: Microsoft Windows File Explorer Spoofing Vulnerability
CVE-2025-59214
6.5 - Medium
- October 14, 2025
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.
Information Disclosure
Oct 2025: Windows Push Notification Information Disclosure Vulnerability
CVE-2025-59209
5.5 - Medium
- October 14, 2025
Exposure of sensitive information to an unauthorized actor in Windows Push Notification Core allows an authorized attacker to disclose information locally.
Information Disclosure
Oct 2025: Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerab
CVE-2025-59210
7.4 - High
- October 14, 2025
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Dangling pointer
Oct 2025: Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2025-59205
7 - High
- October 14, 2025
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Race Condition
Oct 2025: Windows MapUrlToZone Information Disclosure Vulnerability
CVE-2025-59208
7.1 - High
- October 14, 2025
Out-of-bounds read in Windows MapUrlToZone allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Oct 2025: Windows Search Service Denial of Service Vulnerability
CVE-2025-59198
5 - Medium
- October 14, 2025
Improper input validation in Microsoft Windows Search Component allows an authorized attacker to deny service locally.
Improper Input Validation
Oct 2025: Windows State Repository API Server File Information Disclosure Vulnerability
CVE-2025-59203
5.5 - Medium
- October 14, 2025
Insertion of sensitive information into log file in Windows StateRepository API allows an authorized attacker to disclose information locally.
Insertion of Sensitive Information into Log File
Oct 2025: Windows Kernel Elevation of Privilege Vulnerability
CVE-2025-59194
7 - High
- October 14, 2025
Use of uninitialized resource in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use of Uninitialized Resource
Oct 2025: Windows ETL Channel Information Disclosure Vulnerability
CVE-2025-59197
5.5 - Medium
- October 14, 2025
Insertion of sensitive information into log file in Windows ETL Channel allows an authorized attacker to disclose information locally.
Insertion of Sensitive Information into Log File
Oct 2025: Windows Management Services Elevation of Privilege Vulnerability
CVE-2025-59193
7 - High
- October 14, 2025
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Management Services allows an authorized attacker to elevate privileges locally.
Race Condition
Oct 2025: Windows Connected Devices Platform Service Elevation of Privilege Vulnerability
CVE-2025-59191
7.8 - High
- October 14, 2025
Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Oct 2025: Storport.sys Driver Elevation of Privilege Vulnerability
CVE-2025-59192
7.8 - High
- October 14, 2025
Buffer over-read in Storport.sys Driver allows an authorized attacker to elevate privileges locally.
Buffer Over-read
Oct 2025: Microsoft Brokering File System Elevation of Privilege Vulnerability
CVE-2025-59189
7.4 - High
- October 14, 2025
Use after free in Microsoft Brokering File System allows an unauthorized attacker to elevate privileges locally.
Dangling pointer
Oct 2025: Windows Search Service Denial of Service Vulnerability
CVE-2025-59190
5.5 - Medium
- October 14, 2025
Improper input validation in Microsoft Windows Search Component allows an unauthorized attacker to deny service locally.
Improper Input Validation
Oct 2025: Windows Kernel Elevation of Privilege Vulnerability
CVE-2025-59187
7.8 - High
- October 14, 2025
Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.
Improper Input Validation
Oct 2025: Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
CVE-2025-58738
7 - High
- October 14, 2025
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Microsoft Windows File Explorer Spoofing Vulnerability
CVE-2025-58739
6.5 - Medium
- October 14, 2025
Exposure of sensitive information to an unauthorized actor in Windows File Explorer allows an unauthorized attacker to perform spoofing over a network.
Information Disclosure
Oct 2025: Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
CVE-2025-58734
7 - High
- October 14, 2025
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
CVE-2025-58736
7 - High
- October 14, 2025
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
CVE-2025-58733
7 - High
- October 14, 2025
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
CVE-2025-58730
7 - High
- October 14, 2025
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
CVE-2025-58731
7 - High
- October 14, 2025
Use after free in Inbox COM Objects allows an unauthorized attacker to execute code locally.
Dangling pointer
Oct 2025: Windows Local Session Manager (LSM) Denial of Service Vulnerability
CVE-2025-58729
6.5 - Medium
- October 14, 2025
Improper validation of specified type of input in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network.
Improper Validation of Specified Type of Input
Oct 2025: Windows SMB Server Elevation of Privilege Vulnerability
CVE-2025-58726
7.5 - High
- October 14, 2025
Improper access control in Windows SMB Server allows an authorized attacker to elevate privileges over a network.
Authorization
Oct 2025: Windows Connected Devices Platform Service Elevation of Privilege Vulnerability
CVE-2025-58727
7 - High
- October 14, 2025
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.
Race Condition
Oct 2025: Windows COM+ Event System Service Elevation of Privilege Vulnerability
CVE-2025-58725
7 - High
- October 14, 2025
Heap-based buffer overflow in Windows COM allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Oct 2025: Windows Cryptographic Services Information Disclosure Vulnerability
CVE-2025-58720
7.8 - High
- October 14, 2025
Use of a cryptographic primitive with a risky implementation in Windows Cryptographic Services allows an authorized attacker to disclose information locally.
Use of a Risky Cryptographic Primitive
Oct 2025: Remote Desktop Client Remote Code Execution Vulnerability
CVE-2025-58718
8.8 - High
- October 14, 2025
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Dangling pointer
Oct 2025: Windows Kernel Information Disclosure Vulnerability
CVE-2025-55699
5.5 - Medium
- October 14, 2025
Exposure of sensitive information to an unauthorized actor in Windows Kernel allows an authorized attacker to disclose information locally.
Information Disclosure
Oct 2025: Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2025-58714
7.8 - High
- October 14, 2025
Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Authorization
Oct 2025: DirectX Graphics Kernel Denial of Service Vulnerability
CVE-2025-55698
7.7 - High
- October 14, 2025
Null pointer dereference in Windows DirectX allows an authorized attacker to deny service over a network.
NULL Pointer Dereference
Oct 2025: NtQueryInformation Token function (ntifs.h) Elevation of Privilege Vulnerability
CVE-2025-55696
7.8 - High
- October 14, 2025
Time-of-check time-of-use (toctou) race condition in NtQueryInformation Token function (ntifs.h) allows an authorized attacker to elevate privileges locally.
TOCTTOU
Oct 2025: Windows Error Reporting Service Elevation of Privilege Vulnerability
CVE-2025-55694
7.8 - High
- October 14, 2025
Improper access control in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Authorization
Oct 2025: Windows WLAN AutoConfig Service Information Disclosure Vulnerability
CVE-2025-55695
5.5 - Medium
- October 14, 2025
Out-of-bounds read in Windows WLAN Auto Config Service allows an authorized attacker to disclose information locally.
Out-of-bounds Read
Oct 2025: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
CVE-2025-55691
7 - High
- October 14, 2025
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
Dangling pointer
Oct 2025: Windows Error Reporting Service Elevation of Privilege Vulnerability
CVE-2025-55692
7.8 - High
- October 14, 2025
Improper input validation in Windows Error Reporting allows an authorized attacker to elevate privileges locally.
Improper Input Validation
Oct 2025: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
CVE-2025-55688
7 - High
- October 14, 2025
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
Dangling pointer
Oct 2025: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
CVE-2025-55690
7 - High
- October 14, 2025
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
Dangling pointer
Oct 2025: Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
CVE-2025-55684
7 - High
- October 14, 2025
Use after free in Windows PrintWorkflowUserSvc allows an authorized attacker to elevate privileges locally.
Dangling pointer
Oct 2025: Windows BitLocker Security Feature Bypass Vulnerability
CVE-2025-55682
6.1 - Medium
- October 14, 2025
Improper enforcement of behavioral workflow in Windows BitLocker allows an unauthorized attacker to bypass a security feature with a physical attack.
Improper Enforcement of Behavioral Workflow
Oct 2025: Windows Kernel Information Disclosure Vulnerability
CVE-2025-55679
5.1 - Medium
- October 14, 2025
Improper input validation in Windows Kernel allows an unauthorized attacker to disclose information locally.
Improper Input Validation
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