CVE-2025-21379: DHCP Client Service Remote Code Execution Vulnerability

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-02-11 · updated 2026-06-17
Weakness: CWE-416

Description

DHCP Client Service Remote Code Execution Vulnerability

Affected products

Microsoft Windows 11: before 10.0.26100.3194 — fixed in 10.0.26100.3194
Microsoft Windows Server 2025: before 10.0.26100.3194 — fixed in 10.0.26100.3194
Microsoft Windows 11: from 10.0.26100.0 before 10.0.26100.3194 — fixed in 10.0.26100.3194
Microsoft Windows Server 2025: from 10.0.26100.0 before 10.0.26100.3194 — fixed in 10.0.26100.3194

How to fix

Upgrade to a fixed version: Microsoft Windows 11 10.0.26100.3194; Microsoft Windows Server 2025 10.0.26100.3194; Microsoft Windows 11 10.0.26100.3194; Microsoft Windows Server 2025 10.0.26100.3194. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21379

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