#VU119081 Untrusted search path in Vim - CVE-2025-66476

Vulnerability identifier: #VU119081

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2025-66476

CWE-ID: CWE-426

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Vim
Client/Desktop applications / Software for system administration

Vendor: Vim.org

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to usage of an untrusted search path in Vim on Windows. A remote attacker can trick the victim into opening a specially crafted file with the editor and execute arbitrary OS commands on the system. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Vim: before 9.1.1947

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External links
https://github.com/vim/vim/security/advisories/GHSA-g77q-xrww-p834

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.