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CVE-2026-21249

low · 3.3

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

3.3
CVSS
11.1%
EPSS (exploit prob.)
96th
EPSS percentile
2026-02-10
Published

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

Weaknesses

CWE-73

Affected products

VendorProductAffected versions
microsoftwindows_10_1607< 10.0.14393.8868
microsoftwindows_10_1607< 10.0.14393.8868
microsoftwindows_10_1809< 10.0.17763.8389
microsoftwindows_10_1809< 10.0.17763.8389
microsoftwindows_10_21h2< 10.0.19044.6937
microsoftwindows_10_21h2< 10.0.19044.6937
microsoftwindows_10_21h2< 10.0.19044.6937
microsoftwindows_10_22h2< 10.0.19045.6937
microsoftwindows_10_22h2< 10.0.19045.6937
microsoftwindows_10_22h2< 10.0.19045.6937
microsoftwindows_11_23h2< 10.0.22631.6649
microsoftwindows_11_23h2< 10.0.22631.6649
microsoftwindows_11_24h2< 10.0.26100.7781
microsoftwindows_11_24h2< 10.0.26100.7781
microsoftwindows_11_25h2< 10.0.26200.7781
microsoftwindows_11_25h2< 10.0.26200.7781
microsoftwindows_server_2012r2
microsoftwindows_server_2016< 10.0.14393.8868
microsoftwindows_server_2019< 10.0.17763.8389
microsoftwindows_server_2022< 10.0.20348.4711
microsoftwindows_server_2022_23h2< 10.0.25398.2149
microsoftwindows_server_2025< 10.0.26100.32313

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-21249