This vulnerability involves an inappropriate implementation in the Updater of Google Chrome on Mac platforms before version 151.0.7922.72. It enables a local attacker to perform OS-level privilege escalation through a crafted malicious file. The issue is recognized by Chromium security with a medium severity rating. Although a vendor advisory link is provided, it does not specify whether an official fix or patch has been released. The affected version is explicitly stated as version 151.0.7922.72, implying versions prior to this are vulnerable.

A local attacker with access to the affected Mac system can exploit this vulnerability to escalate privileges to the operating system level, potentially gaining higher-level control over the system. This could lead to unauthorized actions beyond the attacker's original permissions. No known exploits in the wild have been reported at this time.

Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Until an official fix is confirmed, users should avoid running untrusted files that could exploit the Updater component. Monitor official Google Chrome release notes for updates.