What is CVE-2025-6177?

CVE-2025-6177 is a high-severity vulnerability in Google Chrome OS, classified under Improper Privilege Management. CVSS score: 7.4/10. Published 2025-06-16.

How severe is CVE-2025-6177?

High severity. CVSS v3 base score is 7.4 out of 10.

Is CVE-2025-6177 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Google Chrome OS

CVE-2025-6177

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).

Vulnerability class: Privilege Escalation

EPSS: 0.001 (0.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Chrome_os — versions 16063.45.2
Google Chromeos — versions 16063.45.2

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

Public proof-of-concept exploits

applefritter-inc/BadApple

References

7f6e188d-c52a-4a19-8674-3c3fa7d1fc7f (Mailing List, Issue Tracking)
7f6e188d-c52a-4a19-8674-3c3fa7d1fc7f (Broken Link)

Frequently asked questions

What is CVE-2025-6177?: CVE-2025-6177 is a high-severity vulnerability in Google Chrome OS, classified under Improper Privilege Management. CVSS score: 7.4/10. Published 2025-06-16.
How severe is CVE-2025-6177?: High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2025-6177 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.