What’s Vulnerable › Vulnerabilities

CVE-2025-6179: ChromeOS Extension Disablement and Developer Mode Bypass via ExtHang3r and ExtPrint3r Exploits

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-16 · updated 2026-06-17
• Weakness: CWE-276

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.

Affected products

• Google ChromeOS: 16181.27.0

References

• https://issues.chromium.org/issues/b/399652193
• https://issuetracker.google.com/issues/399652193

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