Microsoft Windows 10 Version 21H2 vulnerabilities

CVE-2025-49685 [HIGH] CWE-416 CVE-2025-49685: 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-2025-49683 [HIGH] CWE-122 CVE-2025-49683: Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execut Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to execute code 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-2025-49721 [HIGH] CWE-122 CVE-2025-49721: Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to elevate pri Heap-based buffer overflow in Windows Fast FAT Driver allows an unauthorized attacker to elevate privileges locally.

CVE-2025-47984 [HIGH] CWE-693 CVE-2025-47984: Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information Protection mechanism failure in Windows GDI allows an unauthorized attacker to disclose information over a network.

CVE-2025-48000 [HIGH] CWE-362 CVE-2025-48000: Use after free in Windows Connected Devices Platform Service allows an authorized attacker to elevat Use after free in Windows Connected Devices Platform Service allows an authorized attacker to elevate privileges locally.

CVE-2025-47982 [HIGH] CWE-20 CVE-2025-47982: Improper input validation in Windows Storage VSP Driver allows an authorized attacker to elevate pri Improper input validation in Windows Storage VSP Driver allows an authorized attacker to elevate privileges locally.

CVE-2025-49687 [HIGH] CWE-125 CVE-2025-49687: Out-of-bounds read in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate p Out-of-bounds read in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.

CVE-2025-48799 [HIGH] CWE-59 CVE-2025-48799: Improper link resolution before file access ('link following') in Windows Update Service allows an a Improper link resolution before file access ('link following') in Windows Update Service allows an authorized attacker to elevate privileges locally.

CVE-2025-49678 [HIGH] CWE-362 CVE-2025-49678: Null pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally Null pointer dereference in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2025-49661 [HIGH] CWE-822 CVE-2025-49661: Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized Untrusted pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.

CVE-2025-47996 [HIGH] CWE-125 CVE-2025-47996: Integer underflow (wrap or wraparound) in Windows MBT Transport driver allows an authorized attacker Integer underflow (wrap or wraparound) in Windows MBT Transport driver allows an authorized attacker to elevate privileges locally.

CVE-2025-48816 [HIGH] CWE-125 CVE-2025-48816: Integer overflow or wraparound in HID class driver allows an authorized attacker to elevate privileg Integer overflow or wraparound in HID class driver allows an authorized attacker to elevate privileges locally.

CVE-2025-48822 [HIGH] CWE-125 CVE-2025-48822: Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally. Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

CVE-2025-47991 [HIGH] CWE-416 CVE-2025-47991: Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privi Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.

CVE-2025-49665 [HIGH] CWE-362 CVE-2025-49665: Concurrent execution using shared resource with improper synchronization ('race condition') in Works Concurrent execution using shared resource with improper synchronization ('race condition') in Workspace Broker allows an authorized attacker to elevate privileges locally.

CVE-2025-49689 [HIGH] CWE-125 CVE-2025-49689: Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevat Integer overflow or wraparound in Virtual Hard Disk (VHDX) allows an unauthorized attacker to elevate privileges locally.

CVE-2025-49667 [HIGH] CWE-415 CVE-2025-49667: Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally. Double free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.

CVE-2025-48821 [HIGH] CWE-416 CVE-2025-48821: Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker t Use after free in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2025-48815 [HIGH] CWE-843 CVE-2025-48815: Access of resource using incompatible type ('type confusion') in Windows SSDP Service allows an auth Access of resource using incompatible type ('type confusion') in Windows SSDP Service allows an authorized attacker to elevate privileges locally.