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CVE-2026-21249lowCWE-73

Windows NTLM Spoofing Vulnerability

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 3.3epss 11%
exploitation probability
11%top 4% of all CVEs
observed exploitation
nono source reports it
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C