CVE-2026-62754: Windows Kerberos Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows Kerberos allows an authorized attacker to elevate privileges locally.
Other sources
Windows Kerberos Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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Fixed in 6.2.9200.26279Patch KB5120385 - Upgrade
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Fixed in 6.3.9600.23337Patch KB5120386 - Upgrade
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Fixed in 10.0.14393.9418Patch KB5120418 - Upgrade
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Fixed in 10.0.20348.5499Fixed in 10.0.20348.5440Patch KB5120229 - Upgrade
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Fixed in 10.0.17763.9115Patch KB5120238 - Upgrade
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Fixed in 10.0.28000.2704Patch KB5121000 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26000.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26200.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
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Fixed in 10.0.26100.33296Patch KB5120233 - Upgrade
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Fixed in 10.0.19045.7663Patch KB5120249 - Upgrade
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Fixed in 10.0.19044.7663Patch KB5120249
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62754?
CVE-2026-62754 has a severity rating of high, with a score of 7.8.
How does CVE-2026-62754 affect Windows systems?
CVE-2026-62754 allows an authorized attacker to perform a heap-based buffer overflow, leading to local privilege escalation.
Which Windows versions are impacted by CVE-2026-62754?
CVE-2026-62754 affects Microsoft Windows 10, Windows 11, and multiple versions of Windows Server including 2012 R2, 2016, 2019, 2022, and 2025.
How can I mitigate the risk associated with CVE-2026-62754?
Mitigation for CVE-2026-62754 involves applying the security updates and patches provided by Microsoft.
What type of vulnerability is CVE-2026-62754 classified as?
CVE-2026-62754 is classified as a buffer overflow vulnerability.