CVE-2026-62736: Windows DHCP Client Elevation of Privilege Vulnerability
Heap-based buffer overflow in Windows DHCP Client allows an authorized attacker to elevate privileges locally.
Other sources
Windows DHCP Client Elevation of Privilege 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 10.0.28000.2704Patch KB5121000 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33296Fixed in 10.0.26100.33222Patch KB5120228 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7517Patch KB5120240 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26100.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9168Fixed in 10.0.26200.9106Patch KB5120994 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9168Fixed in 10.0.26200.9106Patch KB5120994
Event History
Frequently Asked Questions
What is the severity of CVE-2026-62736?
CVE-2026-62736 has a severity rating of 7.8, classified as high.
How do I fix CVE-2026-62736?
To mitigate CVE-2026-62736, ensure that your Windows operating system is updated with the latest security patches provided by Microsoft.
What systems are affected by CVE-2026-62736?
CVE-2026-62736 affects Microsoft Windows 11 and Windows Server 2025, including versions up to 26h1.
What type of vulnerability is CVE-2026-62736?
CVE-2026-62736 is identified as a heap-based buffer overflow vulnerability.
Can CVE-2026-62736 lead to remote attacks?
No, CVE-2026-62736 allows an attacker to elevate privileges only through local access.