🛡️ CVE-2026-21249
🟢 CVSS 3.3 — Low ✅ No Known Exploit CWE-73 NVD
3.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

Details

Severity LOW
CVSS Score 3.3
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CWE CWE-73
Public Exploit ✅ No
Source NVD
Published 2026-02-10
Updated 2026-06-02
Modified 2026-02-11
Fix URL N/A

Affected Packages

Software From version Fixed in
windows-10-1607 10.0.14393.8868
windows-10-1809 10.0.17763.8389
windows-10-21h2 10.0.19044.6937
windows-10-22h2 10.0.19045.6937
windows-11-23h2 10.0.22631.6649
windows-11-24h2 10.0.26100.7781
windows-11-25h2 10.0.26200.7781
windows-server-2012
windows-server-2016 10.0.14393.8868
windows-server-2019 10.0.17763.8389
windows-server-2022 10.0.20348.4711
windows-server-2022-23h2 10.0.25398.2149
windows-server-2025 10.0.26100.32313

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