Microsoft Windows 11 24h2
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By the Year
In 2026 there have been 3248 vulnerabilities in Microsoft Windows 11 24h2 with an average score of 7.2 out of ten. Last year, in 2025 Windows 11 24h2 had 701 security vulnerabilities published. That is, 2547 more vulnerabilities have already been reported in 2026 as compared to last year. However, the average CVE base score of the vulnerabilities in 2026 is greater by 0.04.
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2026 | 3248 | 7.24 |
| 2025 | 701 | 7.21 |
| 2024 | 218 | 7.40 |
| 2023 | 0 | 0.00 |
| 2022 | 0 | 0.00 |
| 2021 | 0 | 0.00 |
| 2020 | 1 | 7.00 |
It may take a day or so for new Windows 11 24h2 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 24h2 Security Vulnerabilities
Nov 2026: Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2026-118148
7.5 - High
- November 10, 2026
Improper authentication in Active Directory Domain Services allows an authorized attacker to elevate privileges over a network.
AuthZ
Nov 2026: Windows TPM Elevation of Privilege Vulnerability
CVE-2026-119382
7.8 - High
- November 10, 2026
Heap-based buffer overflow in Windows TPM allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: Windows Storage Spaces Controller Remote Code Execution Vulnerability
CVE-2026-122475
8.8 - High
- November 10, 2026
Untrusted pointer dereference in Windows Storage Spaces Controller allows an unauthorized attacker to execute code over a network.
Untrusted Pointer Dereference
Nov 2026: Windows Security Account Manager Remote Protocol Security Feature Bypass Vulnerability
CVE-2026-122474
5.9 - Medium
- November 10, 2026
Time-of-check time-of-use (toctou) race condition in Windows Security Account Manager allows an unauthorized attacker to bypass a security feature over a network.
TOCTTOU
Nov 2026: Windows Kernel Transaction Manager Information Disclosure Vulnerability
CVE-2026-122297
5.5 - Medium
- November 10, 2026
Use of uninitialized resource in Kernel Transaction Manager allows an authorized attacker to disclose information locally.
Use of Uninitialized Resource
Nov 2026: Windows Maps Elevation of Privilege Vulnerability
CVE-2026-122182
7 - High
- November 10, 2026
Improper link resolution before file access ('link following') in Windows Maps allows an authorized attacker to elevate privileges locally.
insecure temporary file
Nov 2026: Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-122183
7.8 - High
- November 10, 2026
Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
Out-of-bounds Read
Nov 2026: Windows iSCSI Elevation of Privilege Vulnerability
CVE-2026-122177
7.5 - High
- November 10, 2026
Improper link resolution before file access ('link following') in Windows iSCSI allows an unauthorized attacker to elevate privileges over a network.
insecure temporary file
Nov 2026: Windows Internet Connection Sharing (ICS) Elevation of Privilege Vulnerability
CVE-2026-122179
7 - High
- November 10, 2026
Heap-based buffer overflow in Windows Internet Connection Sharing (ICS) allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: Windows SMB Remote Code Execution Vulnerability
CVE-2026-122176
8.8 - High
- November 10, 2026
Heap-based buffer overflow in Windows SMB allows an authorized attacker to execute code over a network.
Heap-based Buffer Overflow
Nov 2026: HID Parser Library Elevation of Privilege Vulnerability
CVE-2026-122173
6.8 - Medium
- November 10, 2026
Heap-based buffer overflow in HID Parser Library allows an unauthorized attacker to elevate privileges with a physical attack.
Heap-based Buffer Overflow
Nov 2026: Windows Task Scheduler Elevation of Privilege Vulnerability
CVE-2026-122174
7 - High
- November 10, 2026
Improper link resolution before file access ('link following') in Windows Task Scheduler allows an authorized attacker to elevate privileges locally.
insecure temporary file
Nov 2026: Microsoft Trace Data Helper Elevation of Privilege Vulnerability
CVE-2026-122172
7.8 - High
- November 10, 2026
Use after free in Microsoft Trace Data Helper allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Win32k Elevation of Privilege Vulnerability
CVE-2026-122170
7 - High
- November 10, 2026
Use after free in Windows Win32K allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Microsoft XPS Document Converter Remote Code Execution Vulnerability
CVE-2026-122171
8.8 - High
- November 10, 2026
Heap-based buffer overflow in Microsoft XPS Document Converter allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Nov 2026: Microsoft Windows Media Foundation Elevation of Privilege Vulnerability
CVE-2026-122168
7.8 - High
- November 10, 2026
Heap-based buffer overflow in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: Windows IKE Extension Spoofing Vulnerability
CVE-2026-122169
7.5 - High
- November 10, 2026
Insufficient granularity of access control in Windows IKE Extension allows an authorized attacker to perform spoofing locally.
Insufficient Granularity of Access Control
Nov 2026: Windows Remote Desktop Services Elevation of Privilege Vulnerability
CVE-2026-122166
7.8 - High
- November 10, 2026
Stack-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.
Stack Overflow
Nov 2026: Windows USB Driver Elevation of Privilege Vulnerability
CVE-2026-122167
6.8 - Medium
- November 10, 2026
Heap-based buffer overflow in Windows USB Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Heap-based Buffer Overflow
Nov 2026: Windows Client for NFS Elevation of Privilege Vulnerability
CVE-2026-122165
7.8 - High
- November 10, 2026
Heap-based buffer overflow in Windows Client for NFS allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: Windows Image Acquisition Remote Code Execution Vulnerability
CVE-2026-122163
7.5 - High
- November 10, 2026
Double free in Windows Image Acquisition allows an unauthorized attacker to execute code over a network.
Double-free
Nov 2026: Windows Kerberos Elevation of Privilege Vulnerability
CVE-2026-122164
8 - High
- November 10, 2026
Weak authentication in Windows Kerberos allows an authorized attacker to elevate privileges over a network.
1390
Nov 2026: Microsoft Trace Data Helper Elevation of Privilege Vulnerability
CVE-2026-121681
7.8 - High
- November 10, 2026
Heap-based buffer overflow in Microsoft Trace Data Helper allows an authorized attacker to elevate privileges locally.
Heap-based Buffer Overflow
Nov 2026: Windows Update Stack Information Disclosure Vulnerability
CVE-2026-122162
5.5 - Medium
- November 10, 2026
Integer underflow (wrap or wraparound) in Windows Update Stack allows an authorized attacker to disclose information locally.
Integer underflow
Nov 2026: Windows NTLM Spoofing Vulnerability
CVE-2026-121680
7.5 - High
- November 10, 2026
Exposure of sensitive information to an unauthorized actor in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
Insufficiently Protected Credentials
Nov 2026: Windows Filter Manager Elevation of Privilege Vulnerability
CVE-2026-121673
7.8 - High
- November 10, 2026
Use after free in Windows Filter Manager allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Audio Service Elevation of Privilege Vulnerability
CVE-2026-121671
7 - High
- November 10, 2026
Use after free in Windows Audio Service allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Overlay Filter Elevation of Privilege Vulnerability
CVE-2026-121670
7 - High
- November 10, 2026
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.
Race Condition
Nov 2026: Windows SMB Remote Code Execution Vulnerability
CVE-2026-119988
7.1 - High
- November 10, 2026
Numeric truncation error in Windows SMB allows an authorized attacker to execute code over a network.
Numeric Truncation Error
Nov 2026: Remote Procedure Call Denial of Service Vulnerability
CVE-2026-119972
5.9 - Medium
- November 10, 2026
Uncontrolled resource consumption in Windows Remote Procedure Call allows an unauthorized attacker to deny service over a network.
Memory Leak
Nov 2026: Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
CVE-2026-119974
7 - High
- November 10, 2026
Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
TOCTTOU
Nov 2026: Graphic Fonts Remote Code Execution Vulnerability
CVE-2026-119969
8.8 - High
- November 10, 2026
Heap-based buffer overflow in Graphic Fonts allows an unauthorized attacker to execute code over a network.
Heap-based Buffer Overflow
Nov 2026: Windows Message Queuing Queue Manager Remote Code Execution Vulnerability
CVE-2026-119967
8.1 - High
- November 10, 2026
Use after free in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.
Dangling pointer
Nov 2026: Windows Kernel Elevation of Privilege Vulnerability
CVE-2026-119965
6.4 - Medium
- November 10, 2026
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Graphics Kernel Elevation of Privilege Vulnerability
CVE-2026-119966
7.5 - High
- November 10, 2026
Integer overflow or wraparound in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.
Integer Overflow or Wraparound
Nov 2026: Windows Message Queuing Remote Code Execution Vulnerability
CVE-2026-119963
8.1 - High
- November 10, 2026
Double free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
Double-free
Nov 2026: Windows Message Queuing Remote Code Execution Vulnerability
CVE-2026-119964
8.1 - High
- November 10, 2026
Double free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
Double-free
Nov 2026: Windows Internet Information Services Remote Code Execution Vulnerability
CVE-2026-119961
8.1 - High
- November 10, 2026
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Internet Information Services allows an unauthorized attacker to execute code over a network.
Race Condition
Nov 2026: Windows CredSSP Remote Code Execution Vulnerability
CVE-2026-119962
8.1 - High
- November 10, 2026
Double free in Windows Cred SSProvider Protocol allows an unauthorized attacker to execute code over a network.
Double-free
Nov 2026: Windows LDAP - Lightweight Directory Access Protocol Remote Code Execution Vulnerability
CVE-2026-119958
9.8 - Critical
- November 10, 2026
Out-of-bounds write in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to execute code over a network.
Memory Corruption
Nov 2026: Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-119960
7.5 - High
- November 10, 2026
Use of uninitialized resource in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Use of Uninitialized Resource
Nov 2026: Windows Hyper-V Denial of Service Vulnerability
CVE-2026-119955
6 - Medium
- November 10, 2026
Uncontrolled resource consumption in Windows Hyper-V allows an authorized attacker to deny service locally.
Memory Leak
Nov 2026: Microsoft Windows Search Component Elevation of Privilege Vulnerability
CVE-2026-119954
7.8 - High
- November 10, 2026
Absolute path traversal in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.
Absolute Path Traversal
Nov 2026: Windows DNS Elevation of Privilege Vulnerability
CVE-2026-119953
7.8 - High
- November 10, 2026
Use after free in Windows DNS allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: Windows Schannel Remote Code Execution Vulnerability
CVE-2026-119952
8.1 - High
- November 10, 2026
Observable timing discrepancy in Windows Schannel allows an unauthorized attacker to execute code over a network.
Observable Timing Discrepancy
Nov 2026: Windows Print Spooler Components Elevation of Privilege Vulnerability
CVE-2026-119950
8.8 - High
- November 10, 2026
Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to elevate privileges over a network.
Heap-based Buffer Overflow
Nov 2026: Windows Active Directory Remote Code Execution Vulnerability
CVE-2026-119948
7.5 - High
- November 10, 2026
Stack-based buffer overflow in Windows Active Directory allows an authorized attacker to execute code over a network.
Stack Overflow
Nov 2026: Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2026-119947
7.5 - High
- November 10, 2026
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
Dangling pointer
Nov 2026: HTTP.sys Information Disclosure Vulnerability
CVE-2026-119946
5.9 - Medium
- November 10, 2026
Improper access control in Windows HTTP.sys allows an unauthorized attacker to disclose information over a network.
Insufficiently Protected Credentials
Nov 2026: Windows Modern Device Management (MDM) Remote Code Execution Vulnerability
CVE-2026-119945
8.1 - High
- November 10, 2026
Use after free in Windows Modern Device Management (MDM) allows an unauthorized attacker to execute code over a network.
Dangling pointer
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