CVE-2026-21249 | BDVDB-2026-314721 Detail

MicrosoftWindows 10 Version 1607

Description#

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

Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact none. Attack vector: local.

No public exploit known

3.3 Low

11.2%, Moderate

Estimated chance of exploitation in the next 30 days. EPSS percentile: 96.0.

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Not classified

No specific action is recorded in the source data. Check the references for vendor guidance.

Not available

3.3 Low

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

Not available

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).