Microsoft Windows 10 Version 1809 vulnerabilities

CVE-2026-50377 [HIGH] CWE-125 CVE-2026-50377: Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-20865 [HIGH] CWE-416 CVE-2026-20865: Use after free in Windows Management Services allows an authorized attacker to elevate privileges lo Use after free in Windows Management Services 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-2025-49675 [HIGH] CWE-416 CVE-2025-49675: Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate Use after free in Kernel Streaming WOW Thunk Service Driver allows an authorized attacker to elevate privileges locally.

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-2025-59277 [HIGH] CWE-1287 CVE-2025-59277: Improper validation of specified type of input in Windows Authentication Methods allows an authorize Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.

CVE-2026-50402 [HIGH] CWE-126 CVE-2026-50402: Incorrect conversion between numeric types in Windows NTFS allows an authorized attacker to elevate Incorrect conversion between numeric types in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-50362 [HIGH] CWE-122 CVE-2026-50362: Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker t Heap-based buffer overflow in Windows Resilient File System (ReFS) allows an unauthorized attacker to execute code locally.

CVE-2026-54993 [HIGH] CWE-122 CVE-2026-54993: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code 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-2026-35415 [HIGH] CWE-190 CVE-2026-35415: Integer overflow or wraparound in Windows Storage Spaces Controller allows an authorized attacker to Integer overflow or wraparound in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.

CVE-2025-64673 [HIGH] CWE-284 CVE-2025-64673: Improper access control in Storvsp.sys Driver allows an authorized attacker to elevate privileges lo Improper access control in Storvsp.sys Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-24287 [HIGH] CWE-73 CVE-2026-24287: External control of file name or path in Windows Kernel allows an authorized attacker to elevate pri External control of file name or path in Windows Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-32077 [HIGH] CWE-822 CVE-2026-32077: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an author Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.

CVE-2025-54092 [HIGH] CWE-362 CVE-2025-54092: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Hyper-V allows an authorized attacker to elevate privileges locally.

CVE-2026-58610 [HIGH] CWE-122 CVE-2026-58610: Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to Heap-based buffer overflow in Microsoft Windows Media Foundation allows an unauthorized attacker to execute code locally.

CVE-2026-50421 [HIGH] CWE-843 CVE-2026-50421: Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences Access of resource using incompatible type ('type confusion') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

CVE-2026-58532 [HIGH] CWE-190 CVE-2026-58532: Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges Integer overflow or wraparound in Windows Kernel allows an authorized attacker to elevate privileges locally.