Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-48575 [HIGH] CWE-693 CVE-2026-48575: Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a securi Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2026-48570 [HIGH] CWE-693 CVE-2026-48570: Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a securi Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2026-48568 [HIGH] CWE-693 CVE-2026-48568: Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a securi Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2026-45588 [HIGH] CWE-693 CVE-2026-45588: Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a securi Protection mechanism failure in Windows Secure Boot allows an authorized attacker to bypass a security feature locally.

CVE-2025-26675 [HIGH] CWE-125 CVE-2025-26675: Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privilege Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally.

CVE-2025-59200 [HIGH] CWE-73 CVE-2025-59200: Concurrent execution using shared resource with improper synchronization ('race condition') in Data Concurrent execution using shared resource with improper synchronization ('race condition') in Data Sharing Service Client allows an unauthorized attacker to perform spoofing locally.

CVE-2026-48578 [HIGH] CWE-284 CVE-2026-48578: Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges l Improper access control in Windows Secure Boot allows an authorized attacker to elevate privileges locally.

CVE-2025-26639 [HIGH] CWE-122 CVE-2025-26639: Integer overflow or wraparound in Windows USB Print Driver allows an authorized attacker to elevate Integer overflow or wraparound in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.

CVE-2024-38153 [HIGH] CWE-367 CVE-2024-38153: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability

CVE-2024-38191 [HIGH] CWE-362 CVE-2024-38191: Kernel Streaming Service Driver Elevation of Privilege Vulnerability Kernel Streaming Service Driver Elevation of Privilege Vulnerability

CVE-2025-24059 [HIGH] CWE-125 CVE-2025-24059: Incorrect conversion between numeric types in Windows Common Log File System Driver allows an author Incorrect conversion between numeric types in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-21241 [HIGH] CWE-416 CVE-2026-21241: Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to ele Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-53723 [HIGH] CWE-122 CVE-2025-53723: Numeric truncation error in Windows Hyper-V allows an authorized attacker to elevate privileges loca Numeric truncation error in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2025-32718 [HIGH] CWE-122 CVE-2025-32718: Integer overflow or wraparound in Windows SMB allows an authorized attacker to elevate privileges lo Integer overflow or wraparound in Windows SMB allows an authorized attacker to elevate privileges locally.

CVE-2025-48815 [HIGH] CWE-843 CVE-2025-48815: Access of resource using incompatible type ('type confusion') in Windows SSDP Service allows an auth Access of resource using incompatible type ('type confusion') in Windows SSDP Service allows an authorized attacker to elevate privileges locally.

CVE-2025-53154 [HIGH] CWE-476 CVE-2025-53154: Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attac Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-53141 [HIGH] CWE-476 CVE-2025-53141: Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attac Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-30385 [HIGH] CWE-416 CVE-2025-30385: Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate pri Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-53801 [HIGH] CWE-822 CVE-2025-53801: Untrusted pointer dereference in Windows DWM allows an authorized attacker to elevate privileges loc Untrusted pointer dereference in Windows DWM allows an authorized attacker to elevate privileges locally.

CVE-2025-48820 [HIGH] CWE-59 CVE-2025-48820: Improper link resolution before file access ('link following') in Windows AppX Deployment Service al Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.