Microsoft Windows 11 23h2
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By the Year
In 2025 there have been 153 vulnerabilities in Microsoft Windows 11 23h2 with an average score of 7.2 out of ten. Last year, in 2024 Windows 11 23h2 had 536 security vulnerabilities published. Right now, Windows 11 23h2 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 0.16
| Year | Vulnerabilities | Average Score |
|---|---|---|
| 2025 | 153 | 7.19 |
| 2024 | 536 | 7.35 |
| 2023 | 49 | 7.72 |
| 2022 | 0 | 0.00 |
| 2021 | 0 | 0.00 |
| 2020 | 0 | 0.00 |
| 2019 | 0 | 0.00 |
| 2018 | 0 | 0.00 |
It may take a day or so for new Windows 11 23h2 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 23h2 Security Vulnerabilities
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
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
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
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
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
Windows Core Messaging Elevation of Privileges Vulnerability
CVE-2025-21184
7 - High
- February 11, 2025
Windows Core Messaging Elevation of Privileges Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21190
8.8 - High
- February 11, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21200
8.8 - High
- February 11, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Server Remote Code Execution Vulnerability
CVE-2025-21201
8.8 - High
- February 11, 2025
Windows Telephony Server Remote Code Execution Vulnerability
Double-free
Internet Connection Sharing (ICS) Denial of Service Vulnerability
CVE-2025-21212
6.5 - Medium
- February 11, 2025
Internet Connection Sharing (ICS) Denial of Service Vulnerability
Out-of-bounds Read
Internet Connection Sharing (ICS) Denial of Service Vulnerability
CVE-2025-21216
6.5 - Medium
- February 11, 2025
Internet Connection Sharing (ICS) Denial of Service Vulnerability
Out-of-bounds Read
Internet Connection Sharing (ICS) Denial of Service Vulnerability
CVE-2025-21254
6.5 - Medium
- February 11, 2025
Internet Connection Sharing (ICS) Denial of Service Vulnerability
Out-of-bounds Read
Windows NTFS Elevation of Privilege Vulnerability
CVE-2025-21337
3.3 - Low
- February 11, 2025
Windows NTFS Elevation of Privilege Vulnerability
Authorization
Windows Deployment Services Denial of Service Vulnerability
CVE-2025-21347
6 - Medium
- February 11, 2025
Windows Deployment Services Denial of Service Vulnerability
insecure temporary file
Windows Remote Desktop Configuration Service Tampering Vulnerability
CVE-2025-21349
6.8 - Medium
- February 11, 2025
Windows Remote Desktop Configuration Service Tampering Vulnerability
authentification
Windows Kerberos Denial of Service Vulnerability
CVE-2025-21350
5.9 - Medium
- February 11, 2025
Windows Kerberos Denial of Service Vulnerability
Improper Input Validation
Microsoft Digest Authentication Remote Code Execution Vulnerability
CVE-2025-21368
8.8 - High
- February 11, 2025
Microsoft Digest Authentication Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Microsoft Digest Authentication Remote Code Execution Vulnerability
CVE-2025-21369
8.8 - High
- February 11, 2025
Microsoft Digest Authentication Remote Code Execution Vulnerability
Integer Overflow or Wraparound
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
Windows Installer Elevation of Privilege Vulnerability
CVE-2025-21373
7.8 - High
- February 11, 2025
Windows Installer Elevation of Privilege Vulnerability
insecure temporary file
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 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
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
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-2025-21406
8.8 - High
- February 11, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Dangling pointer
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21407
8.8 - High
- February 11, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Core Messaging Elevation of Privileges Vulnerability
CVE-2025-21414
7 - High
- February 11, 2025
Windows Core Messaging Elevation of Privileges Vulnerability
Heap-based Buffer Overflow
Windows Setup Files Cleanup Elevation of Privilege Vulnerability
CVE-2025-21419
7.1 - High
- February 11, 2025
Windows Setup Files Cleanup Elevation of Privilege Vulnerability
insecure temporary file
Windows Disk Cleanup Tool Elevation of Privilege Vulnerability
CVE-2025-21420
7.8 - High
- February 11, 2025
Windows Disk Cleanup Tool Elevation of Privilege Vulnerability
insecure temporary file
Windows Storage Elevation of Privilege Vulnerability
CVE-2025-21391
7.1 - High
- February 11, 2025
Windows Storage Elevation of Privilege Vulnerability
insecure temporary file
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
CVE-2025-21418
7.8 - High
- February 11, 2025
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Heap-based Buffer Overflow
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
CVE-2025-21325
7.8 - High
- January 17, 2025
Windows Secure Kernel Mode Elevation of Privilege Vulnerability
Incorrect Permission Assignment for Critical Resource
Windows CSC Service Elevation of Privilege Vulnerability
CVE-2025-21378
7.8 - High
- January 14, 2025
Windows CSC Service Elevation of Privilege Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21417
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21413
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21411
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21409
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows upnphost.dll Denial of Service Vulnerability
CVE-2025-21389
7.5 - High
- January 14, 2025
Windows upnphost.dll Denial of Service Vulnerability
Resource Exhaustion
Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2025-21382
7.8 - High
- January 14, 2025
Windows Graphics Component Elevation of Privilege Vulnerability
Integer Overflow or Wraparound
Windows CSC Service Information Disclosure Vulnerability
CVE-2025-21374
5.5 - Medium
- January 14, 2025
Windows CSC Service Information Disclosure Vulnerability
Out-of-bounds Read
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
CVE-2025-21370
8.8 - High
- January 14, 2025
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability
Improper Input Validation
Windows Web Threat Defense User Service Information Disclosure Vulnerability
CVE-2025-21343
7.5 - High
- January 14, 2025
Windows Web Threat Defense User Service Information Disclosure Vulnerability
Improper Privilege Management
Microsoft Message Queuing Information Disclosure Vulnerability
CVE-2025-21220
7.5 - High
- January 14, 2025
Microsoft Message Queuing Information Disclosure Vulnerability
Use of Uninitialized Resource
MapUrlToZone Security Feature Bypass Vulnerability
CVE-2025-21219
4.3 - Medium
- January 14, 2025
MapUrlToZone Security Feature Bypass Vulnerability
Improper Resolution of Path Equivalence
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
CVE-2025-21335
7.8 - High
- January 14, 2025
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Dangling pointer
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
CVE-2025-21334
7.8 - High
- January 14, 2025
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Dangling pointer
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
CVE-2025-21333
7.8 - High
- January 14, 2025
Windows Hyper-V NT Kernel Integration VSP Elevation of Privilege Vulnerability
Heap-based Buffer Overflow
MapUrlToZone Security Feature Bypass Vulnerability
CVE-2025-21189
4.3 - Medium
- January 14, 2025
MapUrlToZone Security Feature Bypass Vulnerability
Improper Resolution of Path Equivalence
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
CVE-2025-21202
6.1 - Medium
- January 14, 2025
Windows Recovery Environment Agent Elevation of Privilege Vulnerability
Authorization
Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability
CVE-2025-21207
7.5 - High
- January 14, 2025
Windows Connected Devices Platform Service (Cdpsvc) Denial of Service Vulnerability
Resource Exhaustion
Windows BitLocker Information Disclosure Vulnerability
CVE-2025-21210
4.2 - Medium
- January 14, 2025
Windows BitLocker Information Disclosure Vulnerability
Failing Open
Secure Boot Security Feature Bypass Vulnerability
CVE-2025-21211
6.8 - Medium
- January 14, 2025
Secure Boot Security Feature Bypass Vulnerability
Protection Mechanism Failure
Secure Boot Security Feature Bypass Vulnerability
CVE-2025-21213
4.6 - Medium
- January 14, 2025
Secure Boot Security Feature Bypass Vulnerability
Authorization
Windows BitLocker Information Disclosure Vulnerability
CVE-2025-21214
4.2 - Medium
- January 14, 2025
Windows BitLocker Information Disclosure Vulnerability
Information Disclosure
Secure Boot Security Feature Bypass Vulnerability
CVE-2025-21215
4.6 - Medium
- January 14, 2025
Secure Boot Security Feature Bypass Vulnerability
Out-of-bounds Read
Windows NTLM Spoofing Vulnerability
CVE-2025-21217
6.5 - Medium
- January 14, 2025
Windows NTLM Spoofing Vulnerability
Protection Mechanism Failure
Windows Digital Media Elevation of Privilege Vulnerability
CVE-2025-21341
6.6 - Medium
- January 14, 2025
Windows Digital Media Elevation of Privilege Vulnerability
Out-of-bounds Read
Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability
CVE-2025-21340
5.5 - Medium
- January 14, 2025
Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability
Authorization
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21339
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
GDI+ Remote Code Execution Vulnerability
CVE-2025-21338
7.8 - High
- January 14, 2025
GDI+ Remote Code Execution Vulnerability
Integer Overflow or Wraparound
Windows Cryptographic Information Disclosure Vulnerability
CVE-2025-21336
5.6 - Medium
- January 14, 2025
Windows Cryptographic Information Disclosure Vulnerability
Side Channel Attack
MapUrlToZone Security Feature Bypass Vulnerability
CVE-2025-21332
8.8 - High
- January 14, 2025
MapUrlToZone Security Feature Bypass Vulnerability
Improper Resolution of Path Equivalence
Windows Installer Elevation of Privilege Vulnerability
CVE-2025-21331
7.3 - High
- January 14, 2025
Windows Installer Elevation of Privilege Vulnerability
insecure temporary file
Windows Remote Desktop Services Denial of Service Vulnerability
CVE-2025-21330
7.5 - High
- January 14, 2025
Windows Remote Desktop Services Denial of Service Vulnerability
Resource Exhaustion
MapUrlToZone Security Feature Bypass Vulnerability
CVE-2025-21328
4.3 - Medium
- January 14, 2025
MapUrlToZone Security Feature Bypass Vulnerability
Improper Resolution of Path Equivalence
Windows Digital Media Elevation of Privilege Vulnerability
CVE-2025-21327
6.6 - Medium
- January 14, 2025
Windows Digital Media Elevation of Privilege Vulnerability
Out-of-bounds Read
Windows Digital Media Elevation of Privilege Vulnerability
CVE-2025-21324
6.6 - Medium
- January 14, 2025
Windows Digital Media Elevation of Privilege Vulnerability
Out-of-bounds Read
Windows Kernel Memory Information Disclosure Vulnerability
CVE-2025-21323
5.5 - Medium
- January 14, 2025
Windows Kernel Memory Information Disclosure Vulnerability
Insertion of Sensitive Information into Log File
Windows Kernel Memory Information Disclosure Vulnerability
CVE-2025-21321
5.5 - Medium
- January 14, 2025
Windows Kernel Memory Information Disclosure Vulnerability
Insertion of Sensitive Information into Log File
Windows Kernel Memory Information Disclosure Vulnerability
CVE-2025-21320
5.5 - Medium
- January 14, 2025
Windows Kernel Memory Information Disclosure Vulnerability
Insertion of Sensitive Information into Log File
Windows Kernel Memory Information Disclosure Vulnerability
CVE-2025-21319
5.5 - Medium
- January 14, 2025
Windows Kernel Memory Information Disclosure Vulnerability
Insertion of Sensitive Information into Log File
Windows Kernel Memory Information Disclosure Vulnerability
CVE-2025-21318
5.5 - Medium
- January 14, 2025
Windows Kernel Memory Information Disclosure Vulnerability
Insertion of Sensitive Information into Log File
Windows Kernel Memory Information Disclosure Vulnerability
CVE-2025-21317
5.5 - Medium
- January 14, 2025
Windows Kernel Memory Information Disclosure Vulnerability
Insertion of Sensitive Information into Log File
Windows Kernel Memory Information Disclosure Vulnerability
CVE-2025-21316
5.5 - Medium
- January 14, 2025
Windows Kernel Memory Information Disclosure Vulnerability
Insertion of Sensitive Information into Log File
MapUrlToZone Security Feature Bypass Vulnerability
CVE-2025-21329
4.3 - Medium
- January 14, 2025
MapUrlToZone Security Feature Bypass Vulnerability
Improper Resolution of Path Equivalence
Windows Smart Card Reader Information Disclosure Vulnerability
CVE-2025-21312
2.4 - Low
- January 14, 2025
Windows Smart Card Reader Information Disclosure Vulnerability
Use of Uninitialized Resource
Windows Digital Media Elevation of Privilege Vulnerability
CVE-2025-21310
6.6 - Medium
- January 14, 2025
Windows Digital Media Elevation of Privilege Vulnerability
Out-of-bounds Read
Windows Themes Spoofing Vulnerability
CVE-2025-21308
6.5 - Medium
- January 14, 2025
Windows Themes Spoofing Vulnerability
Information Disclosure
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
CVE-2025-21307
9.8 - Critical
- January 14, 2025
Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability
Dangling pointer
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21306
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21305
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21303
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Telephony Service Remote Code Execution Vulnerability
CVE-2025-21302
8.8 - High
- January 14, 2025
Windows Telephony Service Remote Code Execution Vulnerability
Heap-based Buffer Overflow
Windows Geolocation Service Information Disclosure Vulnerability
CVE-2025-21301
6.5 - Medium
- January 14, 2025
Windows Geolocation Service Information Disclosure Vulnerability
Authorization
Windows upnphost.dll Denial of Service Vulnerability
CVE-2025-21300
7.5 - High
- January 14, 2025
Windows upnphost.dll Denial of Service Vulnerability
Resource Exhaustion
Windows Kerberos Security Feature Bypass Vulnerability
CVE-2025-21299
7.8 - High
- January 14, 2025
Windows Kerberos Security Feature Bypass Vulnerability
Insecure Storage of Sensitive Information
Windows OLE Remote Code Execution Vulnerability
CVE-2025-21298
9.8 - Critical
- January 14, 2025
Windows OLE Remote Code Execution Vulnerability
Dangling pointer
BranchCache Remote Code Execution Vulnerability
CVE-2025-21296
7.5 - High
- January 14, 2025
BranchCache Remote Code Execution Vulnerability
Dangling pointer
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
CVE-2025-21295
8.1 - High
- January 14, 2025
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
Dangling pointer
Microsoft Digest Authentication Remote Code Execution Vulnerability
CVE-2025-21294
8.1 - High
- January 14, 2025
Microsoft Digest Authentication Remote Code Execution Vulnerability
Sensitive Data Storage in Improperly Locked Memory
Active Directory Domain Services Elevation of Privilege Vulnerability
CVE-2025-21293
8.8 - High
- January 14, 2025
Active Directory Domain Services Elevation of Privilege Vulnerability
Authorization
Windows Search Service Elevation of Privilege Vulnerability
CVE-2025-21292
8.8 - High
- January 14, 2025
Windows Search Service Elevation of Privilege Vulnerability
Code Injection
Windows Direct Show Remote Code Execution Vulnerability
CVE-2025-21291
8.8 - High
- January 14, 2025
Windows Direct Show Remote Code Execution Vulnerability
Double-free
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
CVE-2025-21290
7.5 - High
- January 14, 2025
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Resource Exhaustion
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
CVE-2025-21289
7.5 - High
- January 14, 2025
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
Resource Exhaustion
Windows COM Server Information Disclosure Vulnerability
CVE-2025-21288
6.5 - Medium
- January 14, 2025
Windows COM Server Information Disclosure Vulnerability
Use of Uninitialized Resource
Windows Installer Elevation of Privilege Vulnerability
CVE-2025-21287
7.8 - High
- January 14, 2025
Windows Installer Elevation of Privilege Vulnerability
Improper Privilege Management
MapUrlToZone Security Feature Bypass Vulnerability
CVE-2025-21268
4.3 - Medium
- January 14, 2025
MapUrlToZone Security Feature Bypass Vulnerability
Improper Resolution of Path Equivalence
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