CVE-2025-3052
An arbitrary write vulnerability in Microsoft signed UEFI firmware from DT Research Inc.
- Published
- Jun 10, 2025
- Updated
- Jun 10, 2025
- Assigning CNA
- certcc
- Evidence observed
- Aug 25, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HLow · next 30 days
- Percentile
- 36.4%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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.
Sources
1- talkingBenExploit
UEFI rootkit under development focusing on privilege escalation, C2 integration, and anti-EDR/AV evasion for real-world malware deployment.
Responsible use
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