9.8

CVE-2025-6179: google chrome_os Incorrect Default Permissions

CVSS: 9.8v3.1CriticalAnalyzed
Published 16-06-2025Last modified 17-06-2025

Vulnerability summary

CVE-2025-6179 is a critical (CVSS 9.8) Incorrect Default Permissions vulnerability in google chrome_os. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 16-06-2025
    PublishedVulnerability first disclosed.
  2. 17-06-2025
    Last modifiedVulnerability information updated.

Description

Permissions Bypass in Extension Management in Google ChromeOS 16181.27.0 on managed Chrome devices allows a local attacker to disable extensions and access Developer Mode, including loading additional extensions via exploiting vulnerabilities using the ExtHang3r and ExtPrint3r tools.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (issuetracker.google.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Google2 products

1 vendor · 2 products

References

2 links