CVE-2026-32631
HIGHDescription
CVE-2026-32631 is regarding a vulnerability where it is possible to obtain a user's NTLM hash by tricking them into cloning a malicious repository, or checking out a malicious branch that accesses an attacker-controlled server. By default, NTLM authentication does not need any user interaction. GitHub created this CVE on their behalf. The documented Visual Studio updates incorporate updates in Git which address this vulnerability. Please see CVE-2026-32631 for more information.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
Exploit Intelligence
Low risk: more likely to be exploited than 23% of all known CVEs.
References
- https://github.com/git-for-windows/git/releases/tag/v2.53.0.windows.3
- https://github.com/git-for-windows/git/security/advisories/GHSA-9j5h-h4m7-85hx
- https://learn.microsoft.com/en-au/windows/whats-new/deprecated-features#:~:text=NTLM
- https://support.microsoft.com/en-us/topic/upcoming-changes-to-ntlmv1-in-windows-11-version-24h2-and-windows-server-2025-c0554217-cdbc-420f-b47c-e02b2db49b2e
- https://techcommunity.microsoft.com/blog/windows-itpro-blog/the-evolution-of-windows-authentication/3926848
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Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-17.