Microsoft Windows 11 Version 26H2 vulnerabilities

CVE-2026-88072 [HIGH] CWE-59 CVE-2026-88072: Improper access control in Windows Host Guardian Service allows an authorized attacker to elevate pr Improper access control in Windows Host Guardian Service allows an authorized attacker to elevate privileges locally.

CVE-2026-103569 [HIGH] CWE-125 CVE-2026-103569: Out-of-bounds read in Windows IKE Extension allows an unauthorized attacker to disclose information Out-of-bounds read in Windows IKE Extension allows an unauthorized attacker to disclose information over a network.

CVE-2026-70113 [HIGH] CWE-190 CVE-2026-70113: Integer overflow or wraparound in Windows Client for NFS allows an authorized attacker to elevate pr Integer overflow or wraparound in Windows Client for NFS allows an authorized attacker to elevate privileges locally.

CVE-2026-70008 [HIGH] CWE-190 CVE-2026-70008: Integer overflow or wraparound in Windows IP Over USB Service allows an authorized attacker to eleva Integer overflow or wraparound in Windows IP Over USB Service allows an authorized attacker to elevate privileges locally.

CVE-2026-83508 [HIGH] CWE-125 CVE-2026-83508: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-83513 [HIGH] CWE-122 CVE-2026-83513: Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attac Use after free in Windows Universal Disk Format File System Driver (UDFS) allows an authorized attacker to elevate privileges locally.

CVE-2026-70064 [HIGH] CWE-191 CVE-2026-70064: Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized attacker to elevate Integer underflow (wrap or wraparound) in Windows Kerberos allows an authorized attacker to elevate privileges locally.

CVE-2026-83567 [HIGH] CWE-125 CVE-2026-83567: Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to elevate privileges locally.

CVE-2026-69942 [HIGH] CWE-126 CVE-2026-69942: Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally. Buffer over-read in Windows Overlay Filter allows an authorized attacker to execute code locally.

CVE-2026-69953 [HIGH] CWE-126 CVE-2026-69953: Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges local Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-69959 [HIGH] CWE-125 CVE-2026-69959: Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to execute code locally. Out-of-bounds read in Windows Overlay Filter allows an authorized attacker to execute code locally.

CVE-2026-69950 [HIGH] CWE-126 CVE-2026-69950: Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges local Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-88191 [HIGH] CWE-59 CVE-2026-88191: Improper link resolution before file access ('link following') in Microsoft Windows Search Component Improper link resolution before file access ('link following') in Microsoft Windows Search Component allows an authorized attacker to elevate privileges locally.

CVE-2026-102201 [HIGH] CWE-416 CVE-2026-102201: Use after free in Microsoft Windows Media Foundation allows an authorized attacker to elevate privil Use after free in Microsoft Windows Media Foundation allows an authorized attacker to elevate privileges locally.

CVE-2026-83781 [HIGH] CWE-170 CVE-2026-83781: Improper null termination in Windows Program Compatibility Assistant Service allows an authorized at Improper null termination in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.

CVE-2026-87702 [HIGH] CWE-190 CVE-2026-87702: Integer overflow or wraparound in Windows Resource Management (MRM) allows an authorized attacker to Integer overflow or wraparound in Windows Resource Management (MRM) allows an authorized attacker to elevate privileges locally.

CVE-2026-83727 [HIGH] CWE-126 CVE-2026-83727: Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges local Buffer over-read in Windows Overlay Filter allows an authorized attacker to elevate privileges locally.

CVE-2026-83872 [HIGH] CWE-681 CVE-2026-83872: Incorrect conversion between numeric types in Windows TCP/IP allows an authorized attacker to elevat Incorrect conversion between numeric types in Windows TCP/IP allows an authorized attacker to elevate privileges locally.

CVE-2026-96118 [HIGH] CWE-125 CVE-2026-96118: Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to elevate privileges lo Out-of-bounds read in Windows Graphics Kernel allows an authorized attacker to elevate privileges locally.

CVE-2026-69966 [HIGH] CWE-190 CVE-2026-69966: Integer overflow or wraparound in Microsoft Streaming Service allows an authorized attacker to eleva Integer overflow or wraparound in Microsoft Streaming Service allows an authorized attacker to elevate privileges locally.