Microsoft Windows 10 21H2 vulnerabilities

CVE-2025-59242 [HIGH] CWE-122 CVE-2025-59242: Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized att Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-40407 [HIGH] CWE-122 CVE-2026-40407: Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-59191 [HIGH] CWE-122 CVE-2025-59191: Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attac Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.

CVE-2025-29969 [HIGH] CWE-367 CVE-2025-29969: Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attac Time-of-check time-of-use (toctou) race condition in Windows Fundamentals allows an authorized attacker to execute code over a network.

CVE-2026-40406 [HIGH] CWE-416 CVE-2026-40406: Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a netw Use after free in Windows TCP/IP allows an unauthorized attacker to disclose information over a network.

CVE-2023-32056 [CRITICAL] CWE-59 CVE-2023-32056: Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability Windows Server Update Service (WSUS) Elevation of Privilege Vulnerability

CVE-2023-33154 [CRITICAL] CWE-367 CVE-2023-33154: Windows Partition Management Driver Elevation of Privilege Vulnerability Windows Partition Management Driver Elevation of Privilege Vulnerability

CVE-2023-24864 [HIGH] CWE-191 CVE-2023-24864: Microsoft PostScript and PCL6 Class Printer Driver Elevation of Privilege Vulnerability Microsoft PostScript and PCL6 Class Printer Driver Elevation of Privilege Vulnerability

CVE-2025-26669 [HIGH] CWE-125 CVE-2025-26669: Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attack Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network.

CVE-2023-21799 [HIGH] CWE-122 CVE-2023-21799: 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-2023-21686 [HIGH] CWE-190 CVE-2023-21686: 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-2024-20700 [HIGH] CWE-362 CVE-2024-20700: Windows Hyper-V Remote Code Execution Vulnerability Windows Hyper-V Remote Code Execution Vulnerability

CVE-2025-49723 [HIGH] CWE-862 CVE-2025-49723: Missing authorization in Windows StateRepository API allows an authorized attacker to perform tamper Missing authorization in Windows StateRepository API allows an authorized attacker to perform tampering locally.

CVE-2023-36697 [HIGH] CWE-20 CVE-2023-36697: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

CVE-2024-20654 [HIGH] CWE-190 CVE-2024-20654: Microsoft ODBC Driver Remote Code Execution Vulnerability Microsoft ODBC Driver Remote Code Execution Vulnerability

CVE-2024-21437 [HIGH] CWE-416 CVE-2024-21437: Windows Graphics Component Elevation of Privilege Vulnerability Windows Graphics Component Elevation of Privilege Vulnerability

CVE-2026-27909 [HIGH] CWE-416 CVE-2026-27909: Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privil Use after free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-42986 [HIGH] CWE-416 CVE-2026-42986: Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges l Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

CVE-2025-54100 [HIGH] CWE-77 CVE-2025-54100: Improper neutralization of special elements used in a command ('command injection') in Windows Power Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized attacker to execute code locally.

CVE-2024-26208 [HIGH] CWE-191 CVE-2024-26208: Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability