CVE-2026-58545: Windows Kernel Security Feature Bypass Vulnerability
Improper access control in Windows Kernel allows an authorized attacker to bypass a security feature locally.
Other sources
Windows Kernel Security Feature Bypass Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.14393.9339Patch KB5099535 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.2.9200.26226Patch KB5099445 - Upgrade
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Fixed in 10.0.28000.2525Patch KB5101649 - Upgrade
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Fixed in 6.3.9600.23291Patch KB5099444 - Upgrade
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Fixed in 10.0.26100.8875Patch KB5101650 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33158Patch KB5099536 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19045.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7548Patch KB5099539 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5386Patch KB5099540 - Upgrade
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Fixed in 10.0.17763.9020Patch KB5099538 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.8875Patch KB5101650
Event History
Frequently Asked Questions
What is the severity of CVE-2026-58545?
CVE-2026-58545 has a severity rating of medium with a score of 5.5.
How do I fix CVE-2026-58545?
To mitigate CVE-2026-58545, ensure that your Microsoft Windows systems are updated with the latest security patches.
What is CVE-2026-58545?
CVE-2026-58545 is a Windows Kernel Security Feature Bypass Vulnerability that allows an authorized attacker to bypass security features locally.
Which systems are affected by CVE-2026-58545?
CVE-2026-58545 affects multiple Microsoft Windows versions including Windows 10, Windows 11, and various Windows Server versions.
Can CVE-2026-58545 be exploited remotely?
CVE-2026-58545 cannot be exploited remotely, as it requires local access to the affected system.