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Microsoft Windows 11 26H1 vulnerabilities

2,496 known vulnerabilities affecting microsoft/windows_11_26h1.

Total CVEs
2,496
CISA KEV
5
actively exploited
Public exploits
2
Exploited in wild
7
Severity breakdown
CRITICAL92HIGH1847MEDIUM553LOW4

Vulnerabilities

Page 75 of 125
CVE-2026-83924P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
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.
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CVE-2026-83566P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
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.
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CVE-2026-69915P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
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.
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CVE-2026-70160P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
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.
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CVE-2026-70241P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
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.
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CVE-2026-25171P3HIGHCVSS 7.0fixed in 10.0.28000.17192026-03-10
CVE-2026-25171 [HIGH] CWE-416 CVE-2026-25171: Use after free in Windows Authentication Methods allows an authorized attacker to elevate privileges Use after free in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.
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CVE-2026-102209P3HIGHCVSS 7.0fixed in 10.0.28000.32312026-10-13
CVE-2026-102209 [HIGH] CWE-122 CVE-2026-102209: Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
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CVE-2026-72963P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-72963 [HIGH] CWE-416 CVE-2026-72963: Use after free in Windows Modern Execution Server allows an authorized attacker to elevate privilege Use after free in Windows Modern Execution Server allows an authorized attacker to elevate privileges locally.
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CVE-2026-69281P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69281 [HIGH] CWE-416 CVE-2026-69281: Use after free in Windows License Manager allows an authorized attacker to elevate privileges locall Use after free in Windows License Manager allows an authorized attacker to elevate privileges locally.
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CVE-2026-69331P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69331 [HIGH] CWE-416 CVE-2026-69331: Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
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CVE-2026-71342P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-71342 [HIGH] CWE-416 CVE-2026-71342: Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
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CVE-2026-71333P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-71333 [HIGH] CWE-416 CVE-2026-71333: Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.
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CVE-2026-85360P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-85360 [HIGH] CWE-416 CVE-2026-85360: 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.
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CVE-2026-69473P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-69473 [HIGH] CWE-416 CVE-2026-69473: 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.
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CVE-2026-32087P3HIGHCVSS 7.0fixed in 10.0.28000.18362026-04-14
CVE-2026-32087 [HIGH] CWE-122 CVE-2026-32087: Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker t Heap-based buffer overflow in Function Discovery Service (fdwsd.dll) allows an authorized attacker to elevate privileges locally.
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CVE-2026-73005P3HIGHCVSS 7.0fixed in 10.0.28000.29542026-09-08
CVE-2026-73005 [HIGH] CWE-362 CVE-2026-73005: Use after free in Windows Authentication Methods allows an authorized attacker to elevate privileges Use after free in Windows Authentication Methods allows an authorized attacker to elevate privileges locally.
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CVE-2026-83685P3MEDIUMCVSS 6.5fixed in 10.0.28000.32312026-10-13
CVE-2026-83685 [MEDIUM] CWE-126 CVE-2026-83685: Buffer over-read in Windows IKE Extension allows an authorized attacker to deny service over a netwo Buffer over-read in Windows IKE Extension allows an authorized attacker to deny service over a network.
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CVE-2026-70072P3MEDIUMCVSS 6.5fixed in 10.0.28000.32312026-10-13
CVE-2026-70072 [MEDIUM] CWE-770 CVE-2026-70072: Allocation of resources without limits or throttling in Windows Netlogon allows an authorized attack Allocation of resources without limits or throttling in Windows Netlogon allows an authorized attacker to deny service over a network.
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CVE-2026-97819P3MEDIUMCVSS 6.5fixed in 10.0.28000.32312026-10-13
CVE-2026-97819 [MEDIUM] CWE-125 CVE-2026-97819: 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.
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CVE-2026-108127P3MEDIUMCVSS 6.5fixed in 10.0.28000.32312026-10-13
CVE-2026-108127 [MEDIUM] CWE-125 CVE-2026-108127: 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.
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Microsoft Windows 11 26H1 vulnerabilities | cvebase