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-2026-34333 High · 7.8 CWE-190 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-2026-34331 High · 7.0 CWE-362 May 12, 2026
Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-34330 High · 7.8 CWE-190 May 12, 2026
Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-34329 High · 8.8 CWE-122 May 12, 2026
Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-33841 High · 7.8 CWE-122 May 12, 2026
Windows Kernel Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kernel allows an authorized attacker to elevate privileges locally.
CVE-2026-33839 High · 7.0 CWE-362 May 12, 2026
Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-33838 High · 7.8 CWE-415 May 12, 2026
Windows Message Queuing (MSMQ) Elevation of Privilege Vulnerability
Double free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
CVE-2026-33837 High · 7.8 CWE-122 May 12, 2026
Windows TCP/IP Local Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows TCP/IP allows an authorized attacker to elevate privileges locally.
CVE-2026-33835 High · 7.8 CWE-416 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-2026-33834 High · 7.8 CWE-284 May 12, 2026
Windows Event Logging Service Elevation of Privilege Vulnerability
Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.
CVE-2026-32209 Medium · 4.4 CWE-284 May 12, 2026
Windows Filtering Platform (WFP) Security Feature Bypass Vulnerability
Improper access control in Windows Filtering Platform (WFP) allows an authorized attacker to bypass a security feature locally.
CVE-2026-32170 Medium · 6.7 CWE-415 May 12, 2026
Windows Rich Text Edit Elevation of Privilege Vulnerability
Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.
CVE-2026-32161 High · 7.5 CWE-362 May 12, 2026
Windows Native WiFi Miniport Driver Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Native WiFi Miniport Driver allows an unauthorized attacker to execute code over an adjacent network.
CVE-2026-21530 Medium · 6.7 CWE-415 May 12, 2026
Windows Rich Text Edit Elevation of Privilege Vulnerability
Double free in Windows Rich Text Edit allows an authorized attacker to elevate privileges locally.
CVE-2026-33829 Medium · 4.3 Public exploit CWE-200 Apr 14, 2026
Windows Snipping Tool Spoofing Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.
CVE-2026-33827 High · 8.1 CWE-362 Apr 14, 2026
Windows TCP/IP Remote Code Execution Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows TCP/IP allows an unauthorized attacker to execute code over a network.
CVE-2026-33824 Critical · 9.8 KEV High · 69 Public exploit CWE-415 Apr 14, 2026
Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability
Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.
CVE-2026-33104 High · 7.0 CWE-362 Apr 14, 2026
Win32k Elevation of Privilege Vulnerability
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally.
CVE-2026-33100 High · 7.0 CWE-416 Apr 14, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-33099 High · 7.0 CWE-416 Apr 14, 2026
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-33098 High · 7.8 CWE-416 Apr 14, 2026
Windows Container Isolation FS Filter Driver Elevation of Privilege Vulnerability
Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.
CVE-2026-33096 High · 7.5 CWE-125 Apr 14, 2026
HTTP.sys Denial of Service Vulnerability
Out-of-bounds read in Windows HTTP.sys allows an unauthorized attacker to deny service over a network.
CVE-2026-32225 High · 8.8 CWE-693 Apr 14, 2026
Windows Shell Security Feature Bypass Vulnerability
Improper neutralization of special elements used in a command ('command injection') in Windows Shell allows an unauthorized attacker to bypass a security feature over a network.
CVE-2026-32218 Medium · 5.5 CWE-532 Apr 14, 2026
Windows Kernel Information Disclosure Vulnerability
Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.
CVE-2026-32217 Medium · 5.5 CWE-532 Apr 14, 2026
Windows Kernel Information Disclosure Vulnerability
Insertion of sensitive information into log file in Windows Kernel allows an authorized attacker to disclose information locally.