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
CRITICAL97HIGH1901MEDIUM564LOW5
Vulnerabilities
Page 100 of 129
CVE-2026-54991P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-54991 [HIGH] CWE-125 CVE-2026-54991: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-50440P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50440 [HIGH] CWE-362 CVE-2026-50440: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Audio Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-50321P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-50321 [HIGH] CWE-362 CVE-2026-50321: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-42912P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.22692026-06-09
CVE-2026-42912 [HIGH] CWE-362 CVE-2026-42912: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-34345P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.21132026-05-12
CVE-2026-34345 [HIGH] CWE-362 CVE-2026-34345: Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver f
Access of resource using incompatible type ('type confusion') in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
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CVE-2026-68824P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-68824 [HIGH] CWE-362 CVE-2026-68824: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.
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CVE-2026-69466P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69466 [HIGH] CWE-367 CVE-2026-69466: Time-of-check time-of-use (toctou) race condition in Windows Kernel allows an authorized attacker to
Time-of-check time-of-use (toctou) race condition in Windows Kernel allows an authorized attacker to elevate privileges locally.
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CVE-2026-69319P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.29542026-09-08
CVE-2026-69319 [HIGH] CWE-362 CVE-2026-69319: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Video Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-62727P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-19
CVE-2026-62727 [HIGH] CWE-362 CVE-2026-62727: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-62693P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62693 [HIGH] CWE-362 CVE-2026-62693: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.
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CVE-2026-62734P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62734 [HIGH] CWE-362 CVE-2026-62734: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-62705P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62705 [HIGH] CWE-362 CVE-2026-62705: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Bind Filter Driver allows an authorized attacker to elevate privileges locally.
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CVE-2026-62748P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62748 [HIGH] CWE-362 CVE-2026-62748: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-59122P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-59122 [HIGH] CWE-362 CVE-2026-59122: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-59126P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-59126 [HIGH] CWE-362 CVE-2026-59126: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Event Logging Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-62729P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62729 [HIGH] CWE-362 CVE-2026-62729: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-62908P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.27042026-08-11
CVE-2026-62908 [HIGH] CWE-362 CVE-2026-62908: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
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CVE-2026-58598P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-16
CVE-2026-58598 [HIGH] CWE-362 CVE-2026-58598: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
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CVE-2026-49803P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-49803 [HIGH] CWE-362 CVE-2026-49803: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.
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CVE-2026-49806P3HIGHCVSS 7.0≥ 10.0.28000.0, < 10.0.28000.25252026-07-14
CVE-2026-49806 [HIGH] CWE-362 CVE-2026-49806: Concurrent execution using shared resource with improper synchronization ('race condition') in Windo
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows USB Print Driver allows an authorized attacker to elevate privileges locally.
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