What is CVE-2016-7804?

CVE-2016-7804 is a high-severity vulnerability in 7-Zip, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2017-05-22.

How severe is CVE-2016-7804?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in 7-Zip

CVE-2016-7804

Untrusted search path vulnerability in 7 Zip for Windows 16.02 and earlier allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.

Published 2017-05-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.018 (77.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 77.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

7-Zip
Igor Pavlov 7 Zip For Windows — versions 16.02 and earlier

Weakness classification (CWE)

CWE-426 — Untrusted Search Path

References

jvndb.jvn.jp/jvndb/JVNDB-2016-000211 (VDB Entry, Third Party Advisory, third-party-advisory)
jvn.jp/en/jp/JVN76780067/index.html (VDB Entry, Third Party Advisory, third-party-advisory)
www.7-zip.org/history.txt (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2016-7804?: CVE-2016-7804 is a high-severity vulnerability in 7-Zip, classified under Untrusted Search Path. CVSS score: 7.8/10. Published 2017-05-22.
How severe is CVE-2016-7804?: High severity. CVSS v3 base score is 7.8 out of 10.