Microsoft Windows 11 25H2 vulnerabilities

CVE-2026-47652 [HIGH] CWE-122 CVE-2026-47652: Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally. Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-69322 [HIGH] CWE-415 CVE-2026-69322: Double free in Microsoft Windows Search Component allows an authorized attacker to elevate privilege Double free in Microsoft Windows Search Component allows an authorized attacker to elevate privileges over a network.

CVE-2026-69427 [HIGH] CWE-125 CVE-2026-69427: Out-of-bounds read in Windows VOLSNAP.SYS allows an authorized attacker to elevate privileges over a Out-of-bounds read in Windows VOLSNAP.SYS allows an authorized attacker to elevate privileges over a network.

CVE-2026-83838 [HIGH] CWE-191 CVE-2026-83838: Integer underflow (wrap or wraparound) in Windows Bluetooth A2DP driver allows an authorized attacke Integer underflow (wrap or wraparound) in Windows Bluetooth A2DP driver allows an authorized attacker to elevate privileges over an adjacent network.

CVE-2026-100215 [HIGH] CWE-122 CVE-2026-100215: Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execut Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.

CVE-2026-35421 [HIGH] CWE-122 CVE-2026-35421: Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows GDI allows an unauthorized attacker to execute code locally.

CVE-2026-69673 [HIGH] CWE-59 CVE-2026-69673: Improper link resolution before file access ('link following') in Windows Update allows an authorize Improper link resolution before file access ('link following') in Windows Update allows an authorized attacker to elevate privileges locally.

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-2026-83836 [HIGH] CWE-122 CVE-2026-83836: Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code Heap-based buffer overflow in Windows Event Tracing allows an unauthorized attacker to execute code locally.

CVE-2026-70092 [HIGH] CWE-122 CVE-2026-70092: Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to Heap-based buffer overflow in Microsoft PostScript Printer Driver allows an unauthorized attacker to elevate privileges locally.

CVE-2026-50471 [HIGH] CWE-122 CVE-2026-50471: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-50313 [HIGH] CWE-122 CVE-2026-50313: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-50448 [HIGH] CWE-122 CVE-2026-50448: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-49796 [HIGH] CWE-122 CVE-2026-49796: Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows GDI+ allows an unauthorized attacker to execute code locally.

CVE-2026-50461 [HIGH] CWE-122 CVE-2026-50461: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-49797 [HIGH] CWE-122 CVE-2026-49797: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally.

CVE-2026-50655 [HIGH] CWE-122 CVE-2026-50655: 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-2026-50386 [HIGH] CWE-122 CVE-2026-50386: Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code locally. Heap-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code 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-2026-48574 [HIGH] CWE-122 CVE-2026-48574: 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.