CVE-2026-87546 is a vulnerability in Google Chrome's Safebrowsing feature on Mac platforms where an incorrect type conversion or cast leads to bypassing system access restrictions. This issue affects versions of Chrome prior to 153.0.8010.36. The vulnerability allows a remote attacker to leverage a crafted file to circumvent security controls. The Chromium project rates this vulnerability as low severity. There is no indication of active exploitation in the wild or a CVSS score assigned yet.

A remote attacker can bypass system access restrictions on affected Mac versions of Google Chrome by exploiting this type conversion flaw in Safebrowsing. The impact is limited to bypassing access controls, and the severity is considered low by the vendor. There is no evidence of exploitation in the wild at this time.

Users should update Google Chrome on Mac to version 153.0.8010.36 or later to remediate this vulnerability. Since the vulnerability is fixed in this version, applying the official update is the recommended mitigation. Patch status is confirmed by the version boundary in the description. No additional vendor advisory content is available to indicate alternative mitigations or that no action is required.