7-Zip Mark of the Web Bypass Vulnerability (CVE-2025-0411)
Severity: high · Patch status: unknown · Since 2025-02-06 · CVE-2025-0411
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. CISA added CVE-2025-0411 to its Known Exploited Vulnerabilities catalog on Feb 6, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Feb 27, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch