CVE-2025-6179: Google ChromeOS · Permissions Bypass / Privilege Escalation
Affects Google ChromeOSSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 16 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Google ChromeOS | Affected
| Fixed in– |
AI-suggested
1. Immediate mitigation should include restricting physical and local access to managed ChromeOS devices to trusted personnel only. 2. Implement strict endpoint monitoring to detect unusual extension management activities or Developer Mode activations. 3. Employ device management policies that limit or disable Developer Mode where possible, or enforce multi-factor authentication for enabling Developer Mode. 4. Regularly audit installed extensions and device configurations to detect unauthorized changes. 5. Until an official patch is released, consider isolating ChromeOS devices from sensitive networks or data stores to limit potential damage. 6. Educate users and administrators about the risks of local access exploitation and the importance of reporting suspicious device behavior. 7. Monitor official Google security advisories for patches or updates addressing this vulnerability and prioritize their deployment once available.
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.