Microsoft Windows 10 Version 21H2 vulnerabilities

CVE-2025-48805 [HIGH] CWE-122 CVE-2025-48805: Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an authorized attacker to exec Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code locally.

CVE-2025-48806 [HIGH] CWE-416 CVE-2025-48806: Use after free in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code loc Use after free in Microsoft MPEG-2 Video Extension allows an authorized attacker to execute code locally.

CVE-2026-58613 [HIGH] CWE-416 CVE-2026-58613: Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate pr Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69445 [HIGH] CWE-22 CVE-2026-69445: Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Compressed Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Compressed Folder allows an authorized attacker to elevate privileges locally.

CVE-2026-25176 [HIGH] CWE-284 CVE-2026-25176: Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attack Improper access control in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2026-20809 [HIGH] CWE-122 CVE-2026-20809: Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized atta Time-of-check time-of-use (toctou) race condition in Windows Kernel Memory allows an authorized attacker to elevate privileges locally.

CVE-2026-25189 [HIGH] CWE-416 CVE-2026-25189: Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges local Use after free in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.

CVE-2026-69725 [HIGH] CWE-415 CVE-2026-69725: Double free in Windows Hello allows an authorized attacker to elevate privileges locally. Double free in Windows Hello allows an authorized attacker to elevate privileges locally.

CVE-2026-83968 [HIGH] CWE-400 CVE-2026-83968: Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges loca Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69584 [HIGH] CWE-190 CVE-2026-69584: Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69585 [HIGH] CWE-704 CVE-2026-69585: Incorrect type conversion or cast in Microsoft Windows Search Component allows an authorized attacke Incorrect type conversion or cast in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-83979 [HIGH] CWE-416 CVE-2026-83979: Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges loca Use after free in Windows Biometric Service allows an authorized attacker to elevate privileges locally.

CVE-2026-68832 [HIGH] CWE-190 CVE-2026-68832: Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges l Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-72965 [HIGH] CWE-416 CVE-2026-72965: Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges loca Use after free in Windows WebClient Service allows an authorized attacker to elevate privileges locally.

CVE-2026-69269 [HIGH] CWE-191 CVE-2026-69269: Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an authorized attacker to el Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an authorized attacker to elevate privileges locally.

CVE-2026-69475 [HIGH] CWE-822 CVE-2026-69475: Untrusted pointer dereference in Windows Remote Desktop Services allows an authorized attacker to el Untrusted pointer dereference in Windows Remote Desktop Services allows an authorized attacker to elevate privileges locally.

CVE-2026-77500 [HIGH] CWE-763 CVE-2026-77500: Release of invalid pointer or reference in Windows Device Association Service allows an authorized a Release of invalid pointer or reference in Windows Device Association Service allows an authorized attacker to elevate privileges locally.

CVE-2026-68875 [HIGH] CWE-126 CVE-2026-68875: Buffer over-read in Windows NTFS allows an authorized attacker to execute code locally. Buffer over-read in Windows NTFS allows an authorized attacker to execute code locally.

CVE-2026-69421 [HIGH] CWE-122 CVE-2026-69421: Integer underflow (wrap or wraparound) in Windows Kernel Mode Driver allows an authorized attacker t Integer underflow (wrap or wraparound) in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-69538 [HIGH] CWE-125 CVE-2026-69538: Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to execute code locally. Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to execute code locally.