Microsoft Windows 10 21H2 vulnerabilities

CVE-2025-53149 [HIGH] CWE-122 CVE-2025-53149: Heap-based buffer overflow in Kernel Streaming WOW Thunk Service Driver allows an authorized attacke Heap-based buffer overflow in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-20837 [HIGH] CWE-122 CVE-2026-20837: Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows Media allows an unauthorized attacker to execute code locally.

CVE-2025-26688 [HIGH] CWE-121 CVE-2025-26688: Stack-based buffer overflow in Microsoft Virtual Hard Drive allows an authorized attacker to elevate Stack-based buffer overflow in Microsoft Virtual Hard Drive allows an authorized attacker to elevate privileges locally.

CVE-2024-49089 [HIGH] CWE-122 CVE-2024-49089: Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability

CVE-2025-62470 [HIGH] CWE-122 CVE-2025-62470: 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-2025-64679 [HIGH] CWE-122 CVE-2025-64679: Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate priv Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2024-26170 [HIGH] CWE-20 CVE-2024-26170: Windows Composite Image File System (CimFS) Elevation of Privilege Vulnerability Windows Composite Image File System (CimFS) Elevation of Privilege Vulnerability

CVE-2025-59255 [HIGH] CWE-122 CVE-2025-59255: Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate priv Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-64680 [HIGH] CWE-122 CVE-2025-64680: Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate priv Heap-based buffer overflow in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2025-53789 [HIGH] CWE-306 CVE-2025-53789: Missing authentication for critical function in Windows StateRepository API allows an authorized att Missing authentication for critical function in Windows StateRepository API allows an authorized attacker to elevate privileges locally.

CVE-2026-34343 [HIGH] CWE-122 CVE-2026-34343: Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized at Heap-based buffer overflow in Windows Application Identity (AppID) Subsystem allows an authorized attacker to elevate privileges locally.

CVE-2025-26668 [HIGH] CWE-122 CVE-2025-26668: Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorize Heap-based buffer overflow in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to execute code over a network.

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-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-2024-38244 [HIGH] CWE-20 CVE-2024-38244: Kernel Streaming Service Driver Elevation of Privilege Vulnerability Kernel Streaming Service Driver Elevation of Privilege Vulnerability

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-2026-48563 [HIGH] CWE-416 CVE-2026-48563: Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code Heap-based buffer overflow in Remote Desktop Client allows an unauthorized attacker to execute code over a network.

CVE-2024-38125 [HIGH] CWE-197 CVE-2024-38125: Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability

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