Microsoft Windows 11 Version 26H2 vulnerabilities
1,007 known vulnerabilities affecting microsoft/windows_11_version_26h2.
Total CVEs
1,007
CISA KEV
1
actively exploited
Public exploits
0
Exploited in wild
1
Severity breakdown
CRITICAL44HIGH710MEDIUM253
Vulnerabilities
Page 28 of 51
CVE-2026-83683P3MEDIUMCVSS 6.5≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-83683 [MEDIUM] CWE-36 CVE-2026-83683: Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to dis
Absolute path traversal in Windows Encrypting File System (EFS) allows an authorized attacker to disclose information over a network.
nvd
CVE-2026-85840P3MEDIUMCVSS 6.5≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-85840 [MEDIUM] CWE-552 CVE-2026-85840: Files or directories accessible to external parties in Windows Event Viewer allows an authorized att
Files or directories accessible to external parties in Windows Event Viewer allows an authorized attacker to disclose information over a network.
nvd
CVE-2026-88137P3MEDIUMCVSS 6.5≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-88137 [MEDIUM] CWE-552 CVE-2026-88137: Files or directories accessible to external parties in WebDAV allows an authorized attacker to discl
Files or directories accessible to external parties in WebDAV allows an authorized attacker to disclose information over a network.
nvd
CVE-2026-97828P3MEDIUMCVSS 6.5≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-97828 [MEDIUM] CWE-126 CVE-2026-97828: Buffer over-read in DNS Server allows an authorized attacker to disclose information over a network.
Buffer over-read in DNS Server allows an authorized attacker to disclose information over a network.
nvd
CVE-2026-83715P3HIGHCVSS 7.1≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-83715 [HIGH] CWE-306 CVE-2026-83715: Missing authentication for critical function in Windows Error Reporting allows an authorized attacke
Missing authentication for critical function in Windows Error Reporting allows an authorized attacker to perform tampering locally.
nvd
CVE-2026-85870P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-85870 [HIGH] CWE-122 CVE-2026-85870: 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.
nvd
CVE-2026-103555P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-103555 [HIGH] CWE-122 CVE-2026-103555: Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker
Heap-based buffer overflow in Virtual Hard Disk (VHD) Miniport Driver allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-97810P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-97810 [HIGH] CWE-122 CVE-2026-97810: Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an a
Heap-based buffer overflow in Windows Container Isolation FS Filter Driver (unionfs.sys) allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-85365P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-85365 [HIGH] CWE-122 CVE-2026-85365: Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privi
Heap-based buffer overflow in Servicing Stack Updates allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83906P3MEDIUMCVSS 6.5≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-83906 [MEDIUM] CWE-303 CVE-2026-83906: Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacke
Incorrect implementation of authentication algorithm in Windows Shell allows an unauthorized attacker to perform spoofing over a network.
nvd
CVE-2026-97842P3MEDIUMCVSS 6.5≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-97842 [MEDIUM] CWE-125 CVE-2026-97842: Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a networ
Out-of-bounds read in DNS Server allows an authorized attacker to disclose information over a network.
nvd
CVE-2026-87714P3MEDIUMCVSS 6.5≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-87714 [MEDIUM] CWE-862 CVE-2026-87714: Missing authorization in WebDAV allows an authorized attacker to bypass a security feature over a ne
Missing authorization in WebDAV allows an authorized attacker to bypass a security feature over a network.
nvd
CVE-2026-70198P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-70198 [HIGH] CWE-416 CVE-2026-70198: Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges loc
Use after free in Windows Push Notifications allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83566P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-83566 [HIGH] CWE-416 CVE-2026-83566: Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally
Use after free in Windows Win32K - ICOMP allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83675P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-83675 [HIGH] CWE-416 CVE-2026-83675: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70241P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-70241 [HIGH] CWE-416 CVE-2026-70241: Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kerberos allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83717P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-83717 [HIGH] CWE-416 CVE-2026-83717: Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
Use after free in Windows Installer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83924P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-83924 [HIGH] CWE-416 CVE-2026-83924: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-69915P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-69915 [HIGH] CWE-416 CVE-2026-69915: Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.
Use after free in Windows NTFS allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-70160P3HIGHCVSS 7.0≥ 10.0.26300.0, < 10.0.26300.97112026-10-13
CVE-2026-70160 [HIGH] CWE-416 CVE-2026-70160: Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
Use after free in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd