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High · 7.4 CVE-2025-6177 EUVD-2025-18418GHSA-v9hm-xvm9-qqfr

ChromeOS MiniOS Root Code Execution Bypass While Dev Mode Blocked

Published Jun 16, 2025 · Updated Feb 26, 2026 · Assigned by ChromeOS

Description

Privilege Escalation in MiniOS in Google ChromeOS (16063.45.2 and potentially others) on enrolled devices allows a local attacker to gain root code execution via exploiting a debug shell (VT3 console) accessible through specific key combinations during developer mode entry and MiniOS access, even when developer mode is blocked by device policy or Firmware Write Protect (FWMP).

Affected products

VendorProductAffectedFixed
Google ChromeOS 16063.45.2 —

References