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Microsoft Windows 11 Version 23H2 vulnerabilities

3,415 known vulnerabilities affecting microsoft/windows_11_version_23h2.

Total CVEs
3,415
CISA KEV
63
actively exploited
Public exploits
44
Exploited in wild
77
Severity breakdown
CRITICAL100HIGH2449MEDIUM858LOW8

Vulnerabilities

Page 78 of 171
CVE-2026-96867P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-96867 [HIGH] CWE-125 CVE-2026-96867: Out-of-bounds read in Windows NTFS allows an authorized attacker to execute code locally. Out-of-bounds read in Windows NTFS allows an authorized attacker to execute code locally.
nvd
CVE-2026-96862P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-96862 [HIGH] CWE-125 CVE-2026-96862: Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges loca Out-of-bounds read in Windows Spaceport.sys allows an authorized attacker to elevate privileges locally.
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CVE-2026-88179P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-88179 [HIGH] CWE-125 CVE-2026-88179: Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges l Out-of-bounds read in Windows DWM Core Library allows an authorized attacker to elevate privileges locally.
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CVE-2025-59187P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.60602025-10-14
CVE-2025-59187 [HIGH] CWE-20 CVE-2025-59187: Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges loca Improper input validation in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-65773P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75172026-08-11
CVE-2026-65773 [HIGH] CWE-284 CVE-2026-65773: Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locall Improper access control in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-40409P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.72192026-06-09
CVE-2026-40409 [HIGH] CWE-197 CVE-2026-40409: Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
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CVE-2026-27907P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.69362026-04-14
CVE-2026-27907 [HIGH] CWE-191 CVE-2026-27907: Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized att Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
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CVE-2026-45592P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.72192026-06-09
CVE-2026-45592 [HIGH] CWE-190 CVE-2026-45592: Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to el Integer overflow or wraparound in Windows Internet (wininet.dll) allows an authorized attacker to elevate privileges locally.
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CVE-2026-26153P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.69362026-04-14
CVE-2026-26153 [HIGH] CWE-125 CVE-2026-26153: Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate Out-of-bounds read in Windows Encrypting File System (EFS) allows an authorized attacker to elevate privileges locally.
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CVE-2025-59278P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.60602025-10-14
CVE-2025-59278 [HIGH] CWE-1287 CVE-2025-59278: Improper validation of specified type of input in Windows Authentication Methods allows an authorize Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.
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CVE-2025-59275P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.60602025-10-14
CVE-2025-59275 [HIGH] CWE-122 CVE-2025-59275: Improper validation of specified type of input in Windows Authentication Methods allows an authorize Improper validation of specified type of input in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-33834P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.7079≥ 10.0.22631.0, < 10.0.22631.72192026-05-12
CVE-2026-33834 [HIGH] CWE-284 CVE-2026-33834: Improper access control in Windows Event Logging Service allows an authorized attacker to elevate pr Improper access control in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-83741P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-83741 [HIGH] CWE-416 CVE-2026-83741: Use after free in Internet Explorer allows an authorized attacker to elevate privileges locally. Use after free in Internet Explorer allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-61349P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.75172026-08-11
CVE-2026-61349 [HIGH] CWE-362 CVE-2026-61349: Use after free in Windows Work Folder Service allows an authorized attacker to elevate privileges lo Use after free in Windows Work Folder Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-34338P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.7079≥ 10.0.22631.0, < 10.0.22631.72192026-05-12
CVE-2026-34338 [HIGH] CWE-416 CVE-2026-34338: Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges loca Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-40382P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.7079≥ 10.0.22631.0, < 10.0.22631.72192026-05-12
CVE-2026-40382 [HIGH] CWE-416 CVE-2026-40382: Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges loca Use after free in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-87712P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-87712 [HIGH] CWE-416 CVE-2026-87712: Use after free in Windows Quality of Service (QoS) Packet Scheduler allows an authorized attacker to Use after free in Windows Quality of Service (QoS) Packet Scheduler allows an authorized attacker to elevate privileges locally.
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CVE-2026-85933P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-85933 [HIGH] CWE-416 CVE-2026-85933: Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileg Use after free in Windows Print Spooler Components allows an authorized attacker to elevate privileges locally.
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CVE-2026-27920P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.69362026-04-14
CVE-2026-27920 [HIGH] CWE-822 CVE-2026-27920: Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an author Untrusted pointer dereference in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges locally.
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CVE-2026-85863P3HIGHCVSS 7.8≥ 10.0.22631.0, < 10.0.22631.76522026-10-13
CVE-2026-85863 [HIGH] CWE-416 CVE-2026-85863: Use after free in Windows Clipboard User Service allows an authorized attacker to elevate privileges Use after free in Windows Clipboard User Service allows an authorized attacker to elevate privileges locally.
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Microsoft Windows 11 Version 23H2 vulnerabilities | cvebase