CVE-2026-8674: Assertion failure in the DNS stub resolver with a long search domain

Overview

Severity

Medium (CVSS 5.3)

CVSS Vector

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-19

EPSS Score

0.31% (percentile: 23.6%)

Affected Products (1)

Other

• 21824-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-19: Information published.