CVE-2025-6177

ChromeOS MiniOS Root Code Execution Bypass While Dev Mode Blocked

Published Jun 16, 2025 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-18418 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).
History
Type Values Removed Values Added
First Time appeared Google
Google chrome Os
CPEs cpe:2.3:o:google:chrome_os:16063.45.2:*:*:*:*:*:*:*
Vendors & Products Google
Google chrome Os
Type Values Removed Values Added
Weaknesses CWE-269
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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).
Title ChromeOS MiniOS Root Code Execution Bypass While Dev Mode Blocked
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
ChromeOS
Published
Updated
Feb 26, 2026, 5:50 PM
Reserved
Jun 16, 2025, 4:30 PM
Status
Analyzed
Published
Jun 16, 2025, 5:15 PM
Modified
Jun 17, 2026, 10:01 AM