CVE-2025-21179

What it is

DHCP Client Service Denial of Service Vulnerability

At a glance

Exploitability

Can be exploited from the same network segment without logging in, but needs a user to act. High risk of service disruption.

Exploit odds

0.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2025-02-11 18:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 08:42 UTC Last updatedMost recent change to the record

Details

Published

2025-02-11 18:15 UTC

Last modified

2026-06-17 08:42 UTC

Exploit probability

0.7% · EPSS, next 30 days

Weakness

CWE-125 · Out-of-bounds read

Record status

Analyzed

Affected

• Microsoft Windows 11 24h2 < 10.0.26100.3107
• Microsoft Windows Server 2025 < 10.0.26100.3107

Attack profile CVSS 3.1 · 4.8

Attack vector

Adjacent network

Complexity

High

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High