7-Zip Mark of the Web Bypass Vulnerability

7-Zip contains a protection mechanism failure vulnerability that allows remote attackers to bypass the Mark-of-the-Web security feature to execute arbitrary code in the context of the current user.

Published 13 Sep 2026Updated 13 Sep 20263 sources
CVSS 7.0 PoC CANDIDATE△ CISA KEV

Source timeline

Discovered through CISA Known Exploited VulnerabilitiesView source ↗
Added to CISA Known Exploited Vulnerabilities catalogView source ↗