CVE-2022-29072 Memory corruption in n/a

High 7.8 Published 15 Apr 2022 Updated 9 Jun 2025

Heap overflow in 7-Zip allows command execution when a malicious .7z file is dragged to the Help contents area.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-29072?

CVE-2022-29072 is a high-severity memory corruption vulnerability in n/a, published on 15 Apr 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

7-Zip through 21.07 on Windows allows privilege escalation and command execution when a file with the .7z extension is dragged to the Help>Contents area. This is caused by misconfiguration of 7z.dll and a heap overflow. The command runs in a child process under the 7zFM.exe process. NOTE: multiple third parties have reported that no privilege escalation can occur

Weakness: CWE-787

Which versions are affected by CVE-2022-29072?

It affects 1 product.

Products include 7-Zip 7-Zip.

How do I fix CVE-2022-29072?

No fix has been published for CVE-2022-29072 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2022-29072 being exploited?

There is no known exploitation of CVE-2022-29072 in the wild and no public exploit code.

Public exploit code: 5 proofs of concept on GitHub.

Sources

Also known as GHSA-37mw-x654-r2j8.