CVE-2025-6177: Privilege Escalation in MiniOS in Google ChromeOS (16063.45.2 and potentially others) on enrolled devices allo

Routine

HIGH 7.4MITIGATE

CVE-2025-6177 is a high-severity flaw (CVSS 7.4) affecting chrome os. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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).

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.4 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.1% (top 100%)
CISA exploited list	No
Weakness	CWE-269
Published	2025-06-16
Last modified	2026-06-17

Publisher (CNA): ChromeOS · Vendor: google

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-16 17:15 UTCPublished CVE record published
2026-06-17 10:01 UTCUpdated Record last modified

google chrome os MITIGATE

Affected: 16063.45.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 16063.45.2

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-6177?

chrome os: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-6177 being exploited?

CVE-2025-6177 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-6177 affect?

CVE-2025-6177 affects chrome os. Severity is high (CVSS 7.4). 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 combina

How urgent is CVE-2025-6177?

Priority 26/100. High severity

Software pages

Google Chrome vulnerabilities

Related CVEs

CVE-2025-6179 CRITICAL 9.8 MITIGATE Permissions Bypass in Extension Management in Google ChromeOS 16181.27.0 on managed Chrome devices all
CVE-2025-6044 MEDIUM 6.1 MITIGATE An Improper Access Control vulnerability in the Stylus Tools component of Google ChromeOS version 16238.64.0 o
CVE-2025-2509 HIGH 7.8 MITIGATE Out-of-Bounds Read in Virglrenderer in ChromeOS 16093.57.0 allows a malicious guest VM to achieve arbitrary a
CVE-2025-2073 HIGH 8.8 MITIGATE Out-of-Bounds Read in netfilter/ipset in Linux Kernel ChromeOS [6.1, 5.15, 5.10, 5.4, 4.19] allows a local att
CVE-2025-1704 MEDIUM 6.5 MITIGATE ComponentInstaller Modification in ComponentInstaller in Google ChromeOS 15823.23.0 on Chromebooks allows enro

References

← Back to latest CVEs