CVE-2026-57091
Status: AnalyzedHigh (7.8)—
Stack-based buffer overflow in Windows File History Service allows an authorized attacker to elevate privileges locally.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Base score: 7.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 0.33%
- Percentile among all scored CVEs: 24
- Score date: 10/5/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
🎯 ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1068Exploitation for Privilege Escalationprivilege escalation95 % - Primary impact
T1059Command and Scripting Interpreterexecution85 %
Buffer overflow local (AV:L, PR:L) en servicio sin UI requerida permite escalada de privilegios con ejecución de código de sistema. CWE-121 y vector confirman T1068 como explotación.
Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.
🛡️ ATT&CK mitigations that cover these techniques
Affected technologies (11)
Microsoft — Windows 10 1607Microsoft — Windows 10 1809Microsoft — Windows 10 21h2Microsoft — Windows 10 22h2Microsoft — Windows 11 24h2Microsoft — Windows 11 25h2Microsoft — Windows 11 26h1Microsoft — Windows Server 2016Microsoft — Windows Server 2019Microsoft — Windows Server 2022Microsoft — Windows Server 2025
CWEs
- CWE-121
References
Raw JSON (NVD)
Show
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