Microsoft Windows 10 Version 21H2 vulnerabilities

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-2026-40407 [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-2026-40397 [HIGH] CWE-191 CVE-2026-40397: 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-2026-26160 [HIGH] CWE-306 CVE-2026-26160: Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an a Missing authentication for critical function in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges locally.

CVE-2026-49793 [HIGH] CWE-122 CVE-2026-49793: Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an authorized attacker to execute code locally.

CVE-2026-50499 [HIGH] CWE-122 CVE-2026-50499: 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 locally.

CVE-2026-58601 [HIGH] CWE-122 CVE-2026-58601: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-50451 [HIGH] CWE-306 CVE-2026-50451: Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) all Missing authentication for critical function in Windows Routing and Remote Access Service (RRAS) allows an authorized attacker to elevate privileges locally.

CVE-2026-58535 [HIGH] CWE-908 CVE-2026-58535: Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2026-58533 [HIGH] CWE-908 CVE-2026-58533: Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information Use of uninitialized resource in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2026-50497 [HIGH] CWE-193 CVE-2026-50497: Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose info Off-by-one error in Windows Remote Desktop Protocol allows an unauthorized attacker to disclose information over a network.

CVE-2026-50696 [HIGH] CWE-122 CVE-2026-50696: Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized at Heap-based buffer overflow in Windows Internet Key Exchange (IKE) Protocol allows an unauthorized attacker to deny service over a network.

CVE-2026-50695 [HIGH] CWE-121 CVE-2026-50695: Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker Stack-based buffer overflow in Active Directory Federation Services allows an unauthorized attacker to deny service over a network.

CVE-2025-55326 [HIGH] CWE-416 CVE-2025-55326: Use after free in Connected Devices Platform Service (Cdpsvc) allows an unauthorized attacker to exe Use after free in Connected Devices Platform Service (Cdpsvc) allows an unauthorized attacker to execute code over a network.

CVE-2026-50411 [HIGH] CWE-121 CVE-2026-50411: Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized a Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CVE-2026-54983 [HIGH] CWE-121 CVE-2026-54983: Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized a Stack-based buffer overflow in Active Directory Federation Services (AD FS) allows an unauthorized attacker to deny service over a network.

CVE-2024-38241 [HIGH] CWE-20 CVE-2024-38241: Kernel Streaming Service Driver Elevation of Privilege Vulnerability Kernel Streaming Service Driver Elevation of Privilege Vulnerability

CVE-2026-50445 [HIGH] CWE-126 CVE-2026-50445: Buffer over-read in Windows RDP allows an unauthorized attacker to disclose information over a netwo Buffer over-read in Windows RDP allows an unauthorized attacker to disclose information over a network.

CVE-2025-60704 [HIGH] CWE-325 CVE-2025-60704: Missing cryptographic step in Windows Kerberos allows an unauthorized attacker to elevate privileges Missing cryptographic step in Windows Kerberos allows an unauthorized attacker to elevate privileges over a network.

CVE-2024-26182 [HIGH] CWE-416 CVE-2024-26182: Windows Kernel Elevation of Privilege Vulnerability Windows Kernel Elevation of Privilege Vulnerability