CVE-2025-0411 — 7-Zip Mark of the Web Bypass Vulnerability

7-Zip Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page

01What is this vulnerability?

7-Zip Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

02Affected products

Vendor	Product	Versions
7-Zip	7	Zip — 24.08 (x64)

03Active exploitation status

Yes — actively exploited. Added to the CISA KEV catalog on 2025-02-06. Ransomware use: Unknown.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2025-01-25T04:28:24.270Z
• Last modified: 2026-02-26T19:08:56.988Z
• Added to CISA KEV: 2025-02-06
• BOD 22-01 due: 2025-02-27

09References

• www.zerodayinitiative.com — https://www.zerodayinitiative.com/advisories/ZDI-25-045/