What is CVE-2025-66413?

CVE-2025-66413 is a high-severity vulnerability in Git-for-windows Git, classified under Information Disclosure. CVSS score: 7.4/10. Published 2026-03-10.

How severe is CVE-2025-66413?

High severity. CVSS v3 base score is 7.4 out of 10.

Information disclosure in Git-for-windows Git

CVE-2025-66413

Git for Windows is the Windows port of Git. Prior to 2.53.0(2), it is possible to obtain a user's NTLM hash by tricking them into cloning from a malicious server. Since NTLM hashing is weak, it is possible for the attacker to brute-force t…

Vulnerability class: Information Disclosure

EPSS: 0.001 (18.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

Affected products

Git-for-windows Git — versions < 2.53.0(2)

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

https://github.com/git-for-windows/git/security/advisories/GHSA-hv9c-4jm9-jh3x (x_refsource_CONFIRM)
https://github.com/git-for-windows/git/releases/tag/v2.53.0.windows.2 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-66413?: CVE-2025-66413 is a high-severity vulnerability in Git-for-windows Git, classified under Information Disclosure. CVSS score: 7.4/10. Published 2026-03-10.
How severe is CVE-2025-66413?: High severity. CVSS v3 base score is 7.4 out of 10.