CVE-2026-69781 MEDIUM

CVE-2026-69781: Windows DHCP Client Denial of Service Vulnerability

Vendor Microsoft
Product Windows 11 Version 24H2
Weakness CWE-401
Published September 8, 2026
Last update September 29, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Missing release of memory after effective lifetime in Windows DHCP Client allows an unauthorized attacker to deny service over an adjacent network.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 29, 2026 Record updated