CVE-2025-6179 json
ChromeOS Extension Disablement and Developer Mode Bypass via ExtHang3r and ExtPrint3r Exploits
published 2025-06-16 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-18417
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 16 mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- issuetracker.google.com https://issuetracker.google.com/issues/399652193 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Google ChromeOS
Classification
- Weakness
-
- CWE-276 Incorrect Default Permissions
References
-
issuetracker.google.com
/issues/399652193
exploit, issue-tracking
-
issues.chromium.org
/issues/b/399652193
broken-link
Sources
- CVE List CVE-2025-6179
- NVD CVE-2025-6179
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.