CVE-2025-3052

An arbitrary write vulnerability in Microsoft signed UEFI firmware from DT Research Inc.

HIGH
8.2
CVSS Score
Published: June 10, 2025 at 07:19 PM UTC
Updated: June 17, 2026 at 09:19 AM UTC
2 products affected across 1 vendorBiosFlashShellDtbios

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Severity
HIGH8.2
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.2HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusDEFERRED

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