CVE-2023-35841 HIGH

CVE-2023-35841: WinFlash Driver Permissions Issue

Vendor Phoenix
Product WinFlash Driver
Weakness CWE-732
Published May 14, 2024
Last update July 28, 2025
View on NVD All CVEs

CVSS base score

7.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.

Key dates

02Disclosure timeline

May 14, 2024 CVE published
July 28, 2025 Record updated