Microsoft Windows 11 Version 25H2 vulnerabilities

CVE-2026-83914 [HIGH] CWE-416 CVE-2026-83914: Use after free in Microsoft XML allows an unauthorized attacker to execute code over a network. Use after free in Microsoft XML allows an unauthorized attacker to execute code over a network.

CVE-2026-100218 [HIGH] CWE-416 CVE-2026-100218: Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code ove Use after free in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network.

CVE-2026-78449 [HIGH] CWE-416 CVE-2026-78449: Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to ex Use after free in Reliable Multicast Transport Driver (RMCAST) allows an unauthorized attacker to execute code over a network.

CVE-2026-72981 [HIGH] CWE-416 CVE-2026-72981: Use after free in IP Helper allows an unauthorized attacker to execute code over a network. Use after free in IP Helper allows an unauthorized attacker to execute code over a network.

CVE-2026-69786 [HIGH] CWE-122 CVE-2026-69786: Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code o Heap-based buffer overflow in Windows Text Shaping allows an unauthorized attacker to execute code over a network.

CVE-2026-50686 [HIGH] CWE-843 CVE-2026-50686: Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized Access of resource using incompatible type ('type confusion') in Windows OLE allows an unauthorized attacker to execute code over a network.

CVE-2026-85371 [HIGH] CWE-416 CVE-2026-85371: Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a Use after free in Network Policy Server (NPS) allows an unauthorized attacker to execute code over a network.

CVE-2026-42980 [HIGH] CWE-122 CVE-2026-42980: Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elev Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-70207 [HIGH] CWE-122 CVE-2026-70207: Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized attacker to execute c Heap-based buffer overflow in Network Policy Server (NPS) allows an authorized attacker to execute code over a network.

CVE-2026-69514 [HIGH] CWE-122 CVE-2026-69514: Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to execu Heap-based buffer overflow in Windows Remote Desktop Services allows an authorized attacker to execute code over a network.

CVE-2026-69688 [HIGH] CWE-122 CVE-2026-69688: Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to Heap-based buffer overflow in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges over a network.

CVE-2026-33829 [MEDIUM] CWE-200 CVE-2026-33829: Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauth Exposure of sensitive information to an unauthorized actor in Windows Snipping Tool allows an unauthorized attacker to perform spoofing over a network.

CVE-2025-59295 [HIGH] CWE-122 CVE-2025-59295: Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over Heap-based buffer overflow in Internet Explorer allows an unauthorized attacker to execute code over a network.

CVE-2026-45602 [CRITICAL] CWE-349 CVE-2026-45602: No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering ov No cwe for this issue in Windows DHCP Server allows an unauthorized attacker to perform tampering over a network.

CVE-2026-69521 [HIGH] CWE-190 CVE-2026-69521: Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over Integer overflow or wraparound in Windows iSCSI allows an unauthorized attacker to execute code over a network.

CVE-2026-69619 [HIGH] CWE-125 CVE-2026-69619: Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges Out-of-bounds read in Windows exFAT File System allows an authorized attacker to elevate privileges over a network.

CVE-2026-85936 [HIGH] CWE-122 CVE-2026-85936: Double free in Windows Shell allows an unauthorized attacker to execute code over a network. Double free in Windows Shell allows an unauthorized attacker to execute code over a network.

CVE-2026-105733 [HIGH] CWE-1419 CVE-2026-105733: Improper access control in Windows Hyper-V allows an authorized attacker to execute code locally. Improper access control in Windows Hyper-V allows an authorized attacker to execute code locally.

CVE-2026-96917 [HIGH] CWE-122 CVE-2026-96917: Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privil Heap-based buffer overflow in Windows PCI Bus Driver allows an authorized attacker to elevate privileges locally.

CVE-2026-83996 [HIGH] CWE-122 CVE-2026-83996: Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privi Heap-based buffer overflow in Windows Error Reporting allows an authorized attacker to elevate privileges locally.