CVE Intelligence

Microsoft Windows 11 version 23H2 vulnerabilities

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Published CVEs affecting Microsoft Windows 11 version 23H2: 2389 record(s), with affected versions and fixes.

CVE-2026-40397 High · 7.8 CWE-191 May 12, 2026
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-40382 High · 7.8 CWE-416 May 12, 2026
Windows Telephony Service Elevation of Privilege Vulnerability
Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-40380 Medium · 6.2 CWE-122 May 12, 2026
Windows Volume Manager Extension Driver Remote Code Execution Vulnerability
Heap-based buffer overflow in Volume Manager Extension Driver allows an authorized attacker to execute code with a physical attack.
CVE-2026-40377 High · 7.8 CWE-122 May 12, 2026
Microsoft Cryptographic Services Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Cryptographic Services allows an authorized attacker to elevate privileges locally.
CVE-2026-35424 High · 7.5 CWE-401 May 12, 2026
Internet Key Exchange (IKE) Protocol Denial of Service Vulnerability
Missing release of memory after effective lifetime in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.
CVE-2026-35423 Medium · 5.4 CWE-125 May 12, 2026
Windows 11 Telnet Client Information Disclosure Vulnerability
Out-of-bounds read in Telnet Client allows an unauthorized attacker to disclose information over a network.
CVE-2026-35422 Medium · 6.5 CWE-288 May 12, 2026
Windows TCP/IP Driver Security Feature Bypass Vulnerability
Authentication bypass using an alternate path or channel in Windows TCP/IP allows an authorized attacker to bypass a security feature over a network.
CVE-2026-35421 High · 7.8 CWE-122 May 12, 2026
Windows GDI Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.
CVE-2026-35418 High · 7.0 CWE-367 May 12, 2026
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-35417 High · 7.8 CWE-843 May 12, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-35416 High · 7.0 CWE-416 May 12, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-35415 High · 7.8 CWE-190 May 12, 2026
Windows Storage Spaces Controller Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
CVE-2026-34351 High · 7.0 CWE-362 May 12, 2026
Windows TCP/IP Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-34347 High · 7.0 CWE-416 May 12, 2026
Windows Win32k Elevation of Privilege Vulnerability
Use after free in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-34345 High · 7.0 CWE-362 May 12, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-34344 High · 7.8 CWE-843 May 12, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-34343 High · 7.8 CWE-122 May 12, 2026
Windows Application Identity (AppID) Subsystem Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.
CVE-2026-34342 High · 7.0 CWE-362 May 12, 2026
Windows Print Spooler Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
CVE-2026-34341 High · 7.0 CWE-415 May 12, 2026
Windows Link-Layer Discovery Protocol (LLDP) Elevation of Privilege Vulnerability
Double free in Windows Link-Layer Discovery Protocol (LLDP) allows an authorized attacker to elevate privileges locally.
CVE-2026-34340 High · 7.0 CWE-416 May 12, 2026
Windows Projected File System Elevation of Privilege Vulnerability
Use after free in Windows Projected File System allows an authorized attacker to elevate privileges locally.
CVE-2026-34339 Medium · 5.5 CWE-476 May 12, 2026
Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability
Null pointer dereference in Windows LDAP - Lightweight Directory Access Protocol allows an authorized attacker to deny service locally.
CVE-2026-34338 High · 7.8 CWE-416 May 12, 2026
Windows Telephony Service Elevation of Privilege Vulnerability
Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
CVE-2026-34337 High · 7.0 CWE-362 May 12, 2026
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-34336 High · 7.8 CWE-122 May 12, 2026
Windows DWM Core Library Elevation of Privilege Vulnerability
Integer overflow or wraparound in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
CVE-2026-34334 High · 7.0 CWE-362 May 12, 2026
Windows TCP/IP Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an authorized attacker to elevate privileges locally.