CVE-2016-7804 Privilege escalation in 7 Zip for Windows

What is CVE-2016-7804?

CVE-2016-7804 is a high-severity vulnerability in Igor Pavlov 7 Zip for Windows, published on 22 May 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

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.

Weakness: CWE-426

Which versions are affected by CVE-2016-7804?

It affects 1 product.

Products include 7-Zip 7-Zip.

How do I fix CVE-2016-7804?

No fix has been published for CVE-2016-7804 yet. Limit exposure of the affected software until one is available.

Is CVE-2016-7804 being exploited?

There is no known exploitation of CVE-2016-7804 in the wild and no public exploit code.

Other vulnerabilities in Igor Pavlov 7 Zip for Windows

• CVE-2025-0411 7-Zip Mark of the Web Bypass Exploited High 7.0
• CVE-2008-6536 Other in n/a Critical 10.0
• CVE-2026-48095 GHSL-2026-140_7-Zip: 7-Zip has a heap buffer overflow via NTFS compressed stream buffer under-allocation High 8.8
• CVE-2018-10172 Privilege escalation in n/a High 8.8
• CVE-2016-2335 Memory corruption in n/a High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6mh4-v7fh-gj6x.