CVE-2025-21379 DHCP Client Service Remote Code Execution Vulnerability
A use-after-free flaw in the Windows DHCP Client Service allows remote attackers to execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-21379?
CVE-2025-21379 is a high-severity use after free vulnerability in Microsoft Windows 11 24h2, published on 11 Feb 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
DHCP Client Service Remote Code Execution Vulnerability
Weakness: CWE-416
Which versions are affected by CVE-2025-21379?
It affects 2 products.
Products include Microsoft Windows 11 24h2, Microsoft Windows Server 2025.
How do I fix CVE-2025-21379?
No fix has been published for CVE-2025-21379 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-21379 being exploited?
There is no known exploitation of CVE-2025-21379 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 11 24h2
- CVE-2025-60710 Microsoft Windows Link Following
- CVE-2026-54990 Remote Desktop Client Remote Code Execution Vulnerability
- CVE-2025-50165 Windows Graphics Component Remote Code Execution Vulnerability
- CVE-2025-21311 Windows NTLM V1 Elevation of Privilege Vulnerability
- CVE-2026-108463 Windows SmartScreen Security Feature Bypass Vulnerability
Sources
Also known as GHSA-75j8-9mw5-6mp8.