7.4

CVE-2025-6177: google chrome_os Improper Privilege Management

CVSS: 7.4v3.1HighAnalyzed
Published 16-06-2025Last modified 26-02-2026

Vulnerability summary

CVE-2025-6177 is a high (CVSS 7.4) Improper Privilege Management vulnerability in google chrome_os. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0.2% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.4/10
010
High · v3.1 (CVE.org)
EPSS score
0.08%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-06-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

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).

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.08%

Chance of exploitation in the next 30 days

Percentile

0%

Versus all other CVEs

30-day change

0.00 pp

From 0.08% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.08%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Google2 products

1 vendor · 2 products

References

2 links