Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-69346 [HIGH] CWE-122 CVE-2026-69346: Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elev Heap-based buffer overflow in Windows Print Spooler Components allows an authorized attacker to elevate privileges over a network.

CVE-2026-69643 [HIGH] CWE-122 CVE-2026-69643: Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privile Heap-based buffer overflow in Windows Spaceport.sys allows an authorized attacker to elevate privileges over a network.

CVE-2026-69727 [HIGH] CWE-122 CVE-2026-69727: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69826 [HIGH] CWE-122 CVE-2026-69826: Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate pri Heap-based buffer overflow in Windows Biometric Service allows an authorized attacker to elevate privileges over a network.

CVE-2026-69371 [HIGH] CWE-122 CVE-2026-69371: Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows Overlay Filter allows an authorized attacker to elevate privileges over a network.

CVE-2026-69423 [HIGH] CWE-122 CVE-2026-69423: Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate priv Heap-based buffer overflow in Windows USB Video Driver allows an authorized attacker to elevate privileges over a network.

CVE-2025-21204 [HIGH] CWE-59 CVE-2025-21204: Improper link resolution before file access ('link following') in Windows Update Stack allows an aut Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

CVE-2026-20921 [HIGH] CWE-362 CVE-2026-20921: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20926 [HIGH] CWE-362 CVE-2026-20926: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20919 [HIGH] CWE-362 CVE-2026-20919: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20848 [HIGH] CWE-362 CVE-2026-20848: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-20934 [HIGH] CWE-362 CVE-2026-20934: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows SMB Server allows an authorized attacker to elevate privileges over a network.

CVE-2026-69539 [HIGH] CWE-416 CVE-2026-69539: Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

CVE-2026-69852 [HIGH] CWE-122 CVE-2026-69852: Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an Remote Code Execution in Windows Routing and Remote Access Service (RRAS) allows attacker to gain an unauthorized access to victim's machine

CVE-2026-69599 [HIGH] CWE-416 CVE-2026-69599: Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over Use after free in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

CVE-2023-35639 [HIGH] CWE-122 CVE-2023-35639: Microsoft ODBC Driver Remote Code Execution Vulnerability Microsoft ODBC Driver Remote Code Execution Vulnerability

CVE-2026-20872 [MEDIUM] CWE-73 CVE-2026-20872: External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spo External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing over a network.

CVE-2024-26166 [HIGH] CWE-122 CVE-2024-26166: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-21450 [HIGH] CWE-190 CVE-2024-21450: Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability

CVE-2024-26214 [HIGH] CWE-122 CVE-2024-26214: Microsoft WDAC SQL Server ODBC Driver Remote Code Execution Vulnerability Microsoft WDAC SQL Server ODBC Driver Remote Code Execution Vulnerability