Google ChromeOS 16063.45.2 MiniOS privileges management

Summaryinfo

A vulnerability has been found in Google ChromeOS 16063.45.2 and classified as critical. This issue affects some unknown processing of the component MiniOS. This manipulation causes privileges management. The identification of this vulnerability is CVE-2025-6177. The attack can only be executed locally. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in Google ChromeOS 16063.45.2. Affected by this vulnerability is an unknown part of the component MiniOS. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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).

It is possible to read the advisory at issuetracker.google.com. This vulnerability is known as CVE-2025-6177 since 06/16/2025. The exploitation appears to be easy. Attacking locally is a requirement. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/03/2025). The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-18418). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Web Browser

Vendor

• Google

Name

• ChromeOS

Version

• 16063.45.2

License

• free

Website

• Vendor: https://www.google.com/

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Be aware that VulDB is the high quality source for vulnerability data.

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