CVE-2026-87637: Use after free in Google Chrome
Description
Use after free in Extensions in Google Chrome on on Mac prior to 153.0.8010.36 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
CVSS v3.1
Score 9.6critical
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Extensions module of Google Chrome on Mac platforms before version 153.0.8010.36. Exploitation requires user interaction (UI:R) and can be triggered remotely via a specially crafted HTML page. Successful exploitation could lead to arbitrary code execution with sandbox escape, impacting confidentiality, integrity, and availability. The vulnerability is rated critical with a CVSS 3.1 score of 9.6. Google has published an official patch in Chrome 153.0.8010.36.
Potential Impact
An attacker who successfully exploits this vulnerability can execute arbitrary code outside the sandbox on a vulnerable Mac system running Chrome. This compromises the security boundaries of the browser, potentially leading to full system compromise. The CVSS score of 9.6 reflects high impact on confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users and administrators should update Google Chrome on Mac to version 153.0.8010.36 or later, where this vulnerability is patched. Applying this official fix fully mitigates the risk. No additional mitigation actions are required beyond updating to the fixed version.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-08T22:43:35.068Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0808145027.html","vendor":"Google"}]
Threat ID: 6aa0b195acd9273b49812b3b
Added to database: 09/09/2026, 01:08:37 UTC
Last enriched: 09/16/2026, 02:03:40 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 50
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