FKIE_CVE-2026-21249
Vulnerability from fkie_nvd - Published: 2026-02-10 18:16 - Updated: 2026-02-11 19:53
Severity ?
Summary
External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally.
References
| URL | Tags | ||
|---|---|---|---|
| secure@microsoft.com | https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-21249 | Vendor Advisory |
Impacted products
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"value": "External control of file name or path in Windows NTLM allows an unauthorized attacker to perform spoofing locally."
}
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"id": "CVE-2026-21249",
"lastModified": "2026-02-11T19:53:01.787",
"metrics": {
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"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 3.3,
"baseSeverity": "LOW",
"confidentialityImpact": "LOW",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
"version": "3.1"
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"published": "2026-02-10T18:16:26.500",
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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