Microsoft Windows 11 Version 26H1 vulnerabilities
2,567 known vulnerabilities affecting microsoft/windows_11_version_26h1.
Total CVEs
2,567
CISA KEV
10
actively exploited
Public exploits
6
Exploited in wild
13
Severity breakdown
CRITICAL96HIGH1900MEDIUM566LOW5
Vulnerabilities
Page 59 of 129
CVE-2026-83791P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83791 [HIGH] CWE-283 CVE-2026-83791: Improper authorization in Windows Virtual Input allows an authorized attacker to elevate privileges
Improper authorization in Windows Virtual Input allows an authorized attacker to elevate privileges locally.
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CVE-2026-83792P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-83792 [HIGH] CWE-863 CVE-2026-83792: Incorrect authorization in Windows Device Install Service allows an authorized attacker to elevate p
Incorrect authorization in Windows Device Install Service allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-88070P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-88070 [HIGH] CWE-125 CVE-2026-88070: Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges locally.
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CVE-2026-32077P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-32077 [HIGH] CWE-822 CVE-2026-32077: 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-2026-85356P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85356 [HIGH] CWE-125 CVE-2026-85356: Out-of-bounds read in Windows Volume Manager Extension Driver allows an authorized attacker to eleva
Out-of-bounds read in Windows Volume Manager Extension Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-85829P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85829 [HIGH] CWE-415 CVE-2026-85829: Double free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileges
Double free in Windows Wired AutoConfig Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-45656P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-45656 [HIGH] CWE-693 CVE-2026-45656: Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feat
Protection mechanism failure in Windows UEFI allows an authorized attacker to bypass a security feature locally.
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CVE-2026-96918P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96918 [HIGH] CWE-863 CVE-2026-96918: Improper access control in Windows NTFS allows an authorized attacker to elevate privileges locally.
Improper access control in Windows NTFS allows an authorized attacker to elevate privileges locally.
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CVE-2026-85807P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85807 [HIGH] CWE-190 CVE-2026-85807: Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate
Integer overflow or wraparound in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-85377P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85377 [HIGH] CWE-843 CVE-2026-85377: Access of resource using incompatible type ('type confusion') in Windows CD-ROM Driver allows an aut
Access of resource using incompatible type ('type confusion') in Windows CD-ROM Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-85837P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-85837 [HIGH] CWE-125 CVE-2026-85837: Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
Out-of-bounds read in Windows Kernel allows an authorized attacker to elevate privileges locally.
nvd
CVE-2026-96928P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96928 [HIGH] CWE-125 CVE-2026-96928: 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.
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CVE-2026-33828P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-33828 [HIGH] CWE-501 CVE-2026-33828: Trust boundary violation in Windows Attestation allows an authorized attacker to elevate privileges
Trust boundary violation in Windows Attestation allows an authorized attacker to elevate privileges locally.
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CVE-2026-33098P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.18362026-04-14
CVE-2026-33098 [HIGH] CWE-416 CVE-2026-33098: Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elev
Use after free in Windows Container Isolation FS Filter Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-97800P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-97800 [HIGH] CWE-732 CVE-2026-97800: Incorrect permission assignment for critical resource in Windows Mobile Broadband allows an authoriz
Incorrect permission assignment for critical resource in Windows Mobile Broadband allows an authorized attacker to elevate privileges locally.
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CVE-2026-96915P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.32312026-10-13
CVE-2026-96915 [HIGH] CWE-190 CVE-2026-96915: Integer overflow or wraparound in Windows Kernel-Mode Drivers allows an authorized attacker to eleva
Integer overflow or wraparound in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally.
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CVE-2026-69907P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69907 [HIGH] CWE-280 CVE-2026-69907: Improper handling of insufficient permissions or privileges in Windows Enterprise App Management all
Improper handling of insufficient permissions or privileges in Windows Enterprise App Management allows an authorized attacker to elevate privileges locally.
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CVE-2026-69377P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69377 [HIGH] CWE-862 CVE-2026-69377: Missing authorization in Windows Modern Device Management (MDM) allows an authorized attacker to ele
Missing authorization in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges locally.
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CVE-2026-66804P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-66804 [HIGH] CWE-284 CVE-2026-66804: Improper access control in Windows Cross Device Service allows an authorized attacker to elevate pri
Improper access control in Windows Cross Device Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-50391P3HIGHCVSS 7.8≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50391 [HIGH] CWE-269 CVE-2026-50391: Improper privilege management in Windows Group Policy allows an authorized attacker to elevate privi
Improper privilege management in Windows Group Policy allows an authorized attacker to elevate privileges locally.
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