CVE-2026-21249

low

Description

External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21249

Details

Source: Mitre, NVD

Published: 2026-02-10

Updated: 2026-02-11

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 3.3

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Severity: Low

EPSS

EPSS: 0.00036