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TI-2025-05587 Aliases CVE-2025-6177GHSA-v9hm-xvm9-qqfr

ChromeOS MiniOS Root Code Execution Bypass While Dev Mode Blocked

Priority HIGH 68CWE-269Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Privilege escalation
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-269.

Summary

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).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00085 0th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GoogleChromeOS16063.45.2—No fix listedCNA
  • ChromeOS VendorGoogle Affected 16063.45.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:google:chrome_os:16063.45.2:*:*:*:*:*:*:*16063.45.2VulnerableGoogle
  • cpe:2.3:o:google:chrome_os:16063.45.2:*:*:*:*:*:*:* Versions 16063.45.2 Vulnerable ·Google

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-6177
  2. 2026-10-03 Alias added: GHSA-v9hm-xvm9-qqfr

References

Other 2

  • TI-2025-01349 DNS Leak in Native System VPN in Google ChromeOS Dev Channel on ChromeOS 16002.23.0… CVSS 3.1HIGH 7.5
  • TI-2025-00952 Improper privilege management in Google ChromeOS CVSS 3.1MEDIUM 6.8
  • TI-2014-02551 Google Chrome before 38.0.2125.101 and Chrome OS before 38.0.2125.101 do not properly… CVSS 2.0HIGH 10.0
  • TI-2012-02479 Mesa, as used in Google Chrome before 21.0.1183.0 on the Acer AC700, Cr-48, and Samsung… CVSS 2.0HIGH 10.0
  • TI-2011-00412 Google Chrome before 8.0.552.237 and Chrome OS before 8.0.552.344 do not properly handle… CVSS 2.0HIGH 10.0
  • TI-2025-05588 ChromeOS Extension Disablement and Developer Mode Bypass via ExtHang3r and ExtPrint3r Exploits CVSS 3.1CRITICAL 9.8
See all 66 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences