CVE-2025-6177: Google Chrome OS

High severity, CVSS 7.4. EPSS: 0.1% chance of exploitation in the next 30 days.

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

• Google Chrome OS: version 16063.45.2 only

Published 2025-06-16. Last modified 2026-06-17.