CVE-2025-3052

An arbitrary write vulnerability in Microsoft signed UEFI firmware allows for code execution of untrusted software. This allows an attacker to control its value, leading to arbitrary memory writes, including modification of critical firmware settings stored in NVRAM. Exploiting this vulnerability could enable security bypasses, persistence mechanisms, or full system compromise.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
8.2 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
certccCNA
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CISA-ADPADP
8.2 HIGH
LOCAL
LOW
HIGH
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVEADP
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Vulnerability Media Exposure
References
https://uefi.org/specs/UEFI/2.10/32_Secure_Boot_and_Driver_Signing.html
https://www.binarly.io/advisories/brly-dva-2025-001
https://www.kb.cert.org/vuls/id/806555