CVE-2026-91743: Race condition in Google Chrome
Race condition in Core in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-91743 is a race condition vulnerability in the Core of Google Chrome before version 153.0.8010.47. It enables a remote attacker, with prior compromise of the renderer process, to execute arbitrary code outside the sandbox environment via a specially crafted HTML page. The vulnerability is addressed in Chrome 153.0.8010.47 as per the official Google Chrome stable channel update advisory.
Potential Impact
Successful exploitation could allow an attacker who has already compromised the renderer process to break out of the sandbox and execute arbitrary code on the host system. This elevates the attacker's privileges and increases the potential damage beyond the renderer process sandbox.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 153.0.8010.47 or later, where this race condition vulnerability has been fixed. Refer to the official Google Chrome stable channel update advisory for details: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html
CVE-2026-91743: Race condition in Google Chrome
Description
Race condition in Core in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.3high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-91743 is a race condition vulnerability in the Core of Google Chrome before version 153.0.8010.47. It enables a remote attacker, with prior compromise of the renderer process, to execute arbitrary code outside the sandbox environment via a specially crafted HTML page. The vulnerability is addressed in Chrome 153.0.8010.47 as per the official Google Chrome stable channel update advisory.
Potential Impact
Successful exploitation could allow an attacker who has already compromised the renderer process to break out of the sandbox and execute arbitrary code on the host system. This elevates the attacker's privileges and increases the potential damage beyond the renderer process sandbox.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 153.0.8010.47 or later, where this race condition vulnerability has been fixed. Refer to the official Google Chrome stable channel update advisory for details: https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-14T22:52:57.749Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html","vendor":"Google"}]
Threat ID: 6aa9aed855bf5e2cf55add30
Added to database: 09/15/2026, 20:47:20 UTC
Last enriched: 09/15/2026, 21:02:03 UTC
Last updated: 09/16/2026, 04:01:23 UTC
Views: 6
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