CVE-2026-91749: Use after free in Google Chrome
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
AI Analysis
Technical Summary
This vulnerability involves a use-after-free bug in the Workers implementation of Google Chrome versions prior to 153.0.8010.47. Exploitation could enable remote code execution outside the sandbox environment via a specially crafted HTML page. The flaw is rated critical by Chromium security. The vendor advisory confirms that the issue is fixed in Chrome 153.0.8010.47.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code outside the sandbox, potentially compromising the host system. This elevates the risk of full system compromise through a crafted web page.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 153.0.8010.47 or later, where this vulnerability is patched. Applying this official fix fully mitigates the issue.
CVE-2026-91749: Use after free in Google Chrome
Description
Use after free in Workers in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
CVSS v3.1
Score 9.6critical
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free bug in the Workers implementation of Google Chrome versions prior to 153.0.8010.47. Exploitation could enable remote code execution outside the sandbox environment via a specially crafted HTML page. The flaw is rated critical by Chromium security. The vendor advisory confirms that the issue is fixed in Chrome 153.0.8010.47.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code outside the sandbox, potentially compromising the host system. This elevates the risk of full system compromise through a crafted web page.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 153.0.8010.47 or later, where this vulnerability is patched. Applying this official fix fully mitigates the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-14T22:53:06.881Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html","vendor":"Google"}]
Threat ID: 6aa9aeda55bf5e2cf55add39
Added to database: 09/15/2026, 20:47:22 UTC
Last enriched: 09/15/2026, 21:01:44 UTC
Last updated: 09/16/2026, 03:03:35 UTC
Views: 8
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