Microsoft Windows 11
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By the Year
In 2025 there have been 190 vulnerabilities in Microsoft Windows 11 with an average score of 7.2 out of ten. Last year, in 2024 Windows 11 had 542 security vulnerabilities published. Right now, Windows 11 is on track to have less security vulnerabilities in 2025 than it did last year. Last year, the average CVE base score was greater by 0.17
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 190 | 7.19 |
| 2024 | 542 | 7.36 |
| 2023 | 539 | 7.53 |
| 2022 | 501 | 7.44 |
| 2021 | 89 | 7.22 |
| 2020 | 0 | 0.00 |
| 2019 | 1 | 8.00 |
| 2018 | 0 | 0.00 |
It may take a day or so for new Windows 11 vulnerabilities to show up in the stats or in the list of recent security vulnerabilties. Additionally vulnerabilities may be tagged under a different product or component name.
Recent Microsoft Windows 11 Security Vulnerabilities
External control of file name or path in Internet Shortcut Files
CVE-2025-33053
8.8 - High
- June 10, 2025
External control of file name or path in Internet Shortcut Files allows an unauthorized attacker to execute code over a network.
External Control of File Name or Path
Use after free in Windows Ancillary Function Driver for WinSock
CVE-2025-32709
7.8 - High
- May 13, 2025
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Dangling pointer
Improper input validation in Windows Common Log File System Driver
CVE-2025-32706
7.8 - High
- May 13, 2025
Improper input validation in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Improper Input Validation
Use after free in Windows Common Log File System Driver
CVE-2025-32701
7.8 - High
- May 13, 2025
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Dangling pointer
Use after free in Windows DWM
CVE-2025-30400
7.8 - High
- May 13, 2025
Use after free in Windows DWM allows an authorized attacker to elevate privileges locally.
Dangling pointer
Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine
CVE-2025-30397
7.5 - High
- May 13, 2025
Access of resource using incompatible type ('type confusion') in Microsoft Scripting Engine allows an unauthorized attacker to execute code over a network.
Object Type Confusion
Heap-based buffer overflow in Windows Win32K - GRFX
CVE-2025-30388
7.8 - High
- May 13, 2025
Heap-based buffer overflow in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
Memory Corruption
Use after free in Windows Common Log File System Driver
CVE-2025-30385
7.8 - High
- May 13, 2025
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Dangling pointer
Heap-based buffer overflow in Remote Desktop Gateway Service
CVE-2025-29967
8.8 - High
- May 13, 2025
Heap-based buffer overflow in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.
Memory Corruption
Improper privilege management in Microsoft Office SharePoint
CVE-2025-29976
7.8 - High
- May 13, 2025
Improper privilege management in Microsoft Office SharePoint allows an authorized attacker to elevate privileges locally.
Improper Privilege Management
Integer underflow (wrap or wraparound) in Windows Kernel
CVE-2025-29974
5.7 - Medium
- May 13, 2025
Integer underflow (wrap or wraparound) in Windows Kernel allows an unauthorized attacker to disclose information over an adjacent network.
Integer underflow
Out-of-bounds read in Web Threat Defense (WTD.sys)
CVE-2025-29971
7.5 - High
- May 13, 2025
Out-of-bounds read in Web Threat Defense (WTD.sys) allows an unauthorized attacker to deny service over a network.
Out-of-bounds Read
Time-of-check time-of-use (toctou) race condition in Windows Fundamentals
CVE-2025-29969
7.5 - High
- May 13, 2025
Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attacker to execute code over a network.
TOCTTOU
Heap-based buffer overflow in Windows Remote Desktop
CVE-2025-29966
8.8 - High
- May 13, 2025
Heap-based buffer overflow in Windows Remote Desktop allows an unauthorized attacker to execute code over a network.
Memory Corruption
Heap-based buffer overflow in Windows Media
CVE-2025-29964
8.8 - High
- May 13, 2025
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Memory Corruption
Heap-based buffer overflow in Windows Media
CVE-2025-29963
8.8 - High
- May 13, 2025
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Memory Corruption
Heap-based buffer overflow in Windows Media
CVE-2025-29962
8.8 - High
- May 13, 2025
Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Memory Corruption
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29961
6.5 - Medium
- May 13, 2025
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29960
6.5 - Medium
- May 13, 2025
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29959
6.5 - Medium
- May 13, 2025
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Use of Uninitialized Resource
Uncontrolled resource consumption in Windows Deployment Services
CVE-2025-29957
6.2 - Medium
- May 13, 2025
Uncontrolled resource consumption in Windows Deployment Services allows an unauthorized attacker to deny service locally.
Allocation of Resources Without Limits or Throttling
Buffer over-read in Windows SMB
CVE-2025-29956
5.4 - Medium
- May 13, 2025
Buffer over-read in Windows SMB allows an authorized attacker to disclose information over a network.
Out-of-bounds Read
Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol
CVE-2025-29954
5.9 - Medium
- May 13, 2025
Uncontrolled resource consumption in Windows LDAP - Lightweight Directory Access Protocol allows an unauthorized attacker to deny service over a network.
Allocation of Resources Without Limits or Throttling
Acceptance of extraneous untrusted data with trusted data in UrlMon
CVE-2025-29842
7.5 - High
- May 13, 2025
Acceptance of extraneous untrusted data with trusted data in UrlMon allows an unauthorized attacker to bypass a security feature over a network.
Insufficient Verification of Data Authenticity
Concurrent execution using shared resource with improper synchronization ('race condition') in Universal Print Management Service
CVE-2025-29841
7 - High
- May 13, 2025
Concurrent execution using shared resource with improper synchronization ('race condition') in Universal Print Management Service allows an authorized attacker to elevate privileges locally.
Race Condition
Stack-based buffer overflow in Windows Media
CVE-2025-29840
8.8 - High
- May 13, 2025
Stack-based buffer overflow in Windows Media allows an unauthorized attacker to execute code over a network.
Memory Corruption
Out-of-bounds read in Windows File Server
CVE-2025-29839
4 - Medium
- May 13, 2025
Out-of-bounds read in Windows File Server allows an unauthorized attacker to disclose information locally.
Out-of-bounds Read
Improper link resolution before file access ('link following') in Windows Installer
CVE-2025-29837
5.5 - Medium
- May 13, 2025
Improper link resolution before file access ('link following') in Windows Installer allows an authorized attacker to disclose information locally.
insecure temporary file
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29836
6.5 - Medium
- May 13, 2025
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29835
6.5 - Medium
- May 13, 2025
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus
CVE-2025-29833
7.7 - High
- May 13, 2025
Time-of-check time-of-use (toctou) race condition in Windows Virtual Machine Bus allows an unauthorized attacker to execute code locally.
TOCTTOU
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29832
6.5 - Medium
- May 13, 2025
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Out-of-bounds Read
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29830
6.5 - Medium
- May 13, 2025
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Use of Uninitialized Resource
Use of uninitialized resource in Windows Trusted Runtime Interface Driver
CVE-2025-29829
5.5 - Medium
- May 13, 2025
Use of uninitialized resource in Windows Trusted Runtime Interface Driver allows an authorized attacker to disclose information locally.
Use of Uninitialized Resource
Improper privilege management in Windows Secure Kernel Mode
CVE-2025-27468
7 - High
- May 13, 2025
Improper privilege management in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.
Race Condition
Heap-based buffer overflow in Windows Kernel
CVE-2025-24063
7.8 - High
- May 13, 2025
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
Memory Corruption
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS)
CVE-2025-29958
6.5 - Medium
- May 13, 2025
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.
Use of Uninitialized Resource
Use after free in Windows Common Log File System Driver
CVE-2025-29824
7.8 - High
- April 08, 2025
Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
Dangling pointer
External control of file name or path in Windows NTLM
CVE-2025-24054
5.4 - Medium
- March 11, 2025
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.
External Control of File Name or Path
Improper neutralization in Microsoft Management Console
CVE-2025-26633
7 - High
- March 11, 2025
Improper neutralization in Microsoft Management Console allows an unauthorized attacker to bypass a security feature locally.
Improper Neutralization
Heap-based buffer overflow in Windows NTFS
CVE-2025-24993
7.8 - High
- March 11, 2025
Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.
Heap-based Buffer Overflow
Out-of-bounds read in Windows NTFS
CVE-2025-24991
5.5 - Medium
- March 11, 2025
Out-of-bounds read in Windows NTFS allows an authorized attacker to disclose information locally.
Out-of-bounds Read
Integer overflow or wraparound in Windows Fast FAT Driver
CVE-2025-24985
7.8 - High
- March 11, 2025
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
Integer Overflow or Wraparound
Insertion of sensitive information into log file in Windows NTFS
CVE-2025-24984
4.6 - Medium
- March 11, 2025
Insertion of sensitive information into log file in Windows NTFS allows an unauthorized attacker to disclose information with a physical attack.
Insertion of Sensitive Information into Log File
NTLM Hash Disclosure Spoofing Vulnerability
CVE-2025-21377
6.5 - Medium
- February 11, 2025
NTLM Hash Disclosure Spoofing Vulnerability
External Control of File Name or Path
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21371
8.8 - High
- February 11, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
CVE-2025-21181
7.5 - High
- February 11, 2025
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Resource Exhaustion
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
CVE-2025-21376
8.1 - High
- February 11, 2025
Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
Race Condition
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability
CVE-2025-21375
7.8 - High
- February 11, 2025
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability
Improper Input Validation
Windows Installer Elevation of Privilege Vulnerability
CVE-2025-21373
7.8 - High
- February 11, 2025
Windows Installer Elevation of Privilege Vulnerability
insecure temporary file
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