Use-after-free in Windows Server - CVE-2025-21379
Published: February 11, 2025
Vulnerability identifier: #VU103802
CSH Severity: Medium
CVSS v4: 7.3 [CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-21379
CWE-ID: CWE-416
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in DHCP Client Service. A remote attacker on the local network can perform a man-in-the-middle (MitM) attack and execute arbitrary code on the target system.
Affected software
Windows Server
How to mitigate CVE-2025-21379
Install updates from vendor's website.
Windows Server - addressed in versions 2016 10.0.14393.7785, 2025 10.0.26100.3107, 2025 10.0.26100.3194