Microsoft Windows 11 23H2 vulnerabilities

CVE-2026-69798 [HIGH] CWE-416 CVE-2026-69798: Use after free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileg Use after free in Windows Wired AutoConfig Service 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-2026-69916 [HIGH] CWE-190 CVE-2026-69916: Integer overflow or wraparound in Windows NTFS allows an authorized attacker to elevate privileges l Integer overflow or wraparound in Windows NTFS 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-2026-69612 [HIGH] CWE-36 CVE-2026-69612: Absolute path traversal in Windows Error Reporting allows an authorized attacker to elevate privileg Absolute path traversal in Windows Error Reporting allows an authorized attacker to elevate privileges locally.

CVE-2026-69445 [HIGH] CWE-22 CVE-2026-69445: Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Compressed Improper limitation of a pathname to a restricted directory ('path traversal') in Windows Compressed Folder allows an authorized attacker to elevate privileges locally.

CVE-2026-62832 [HIGH] CWE-59 CVE-2026-62832: Improper link resolution before file access ('link following') in Windows User Profile Service allow Improper link resolution before file access ('link following') in Windows User Profile Service 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-2026-102196 [HIGH] CWE-416 CVE-2026-102196: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User 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-2026-83679 [HIGH] CWE-416 CVE-2026-83679: Use after free in Windows Defender Firewall Service allows an authorized attacker to elevate privile Use after free in Windows Defender Firewall Service 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-2026-20809 [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-2026-96946 [HIGH] CWE-416 CVE-2026-96946: 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-2026-97806 [HIGH] CWE-416 CVE-2026-97806: Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privil Use after free in Windows Broadcast DVR User Service allows an authorized attacker to elevate privileges locally.

CVE-2026-96947 [HIGH] CWE-416 CVE-2026-96947: 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-2026-96950 [HIGH] CWE-416 CVE-2026-96950: 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-2026-87702 [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-2026-83634 [HIGH] CWE-415 CVE-2026-83634: Double free in Windows BitLocker allows an authorized attacker to elevate privileges locally. Double free in Windows BitLocker allows an authorized attacker to elevate privileges locally.

CVE-2026-83857 [HIGH] CWE-121 CVE-2026-83857: 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.