CVE-2026-106240: Type confusion in Google Chrome
Description
CVE-2026-106240 is a high-severity type confusion vulnerability in the V8 JavaScript engine used by Google Chrome. It affects versions prior to 155.0.8059.39 and allows remote attackers to execute arbitrary code within the browser sandbox via a crafted HTML page. This vulnerability has a CVSS score of 8.8, indicating a significant risk if exploited.
CVSS v3.1
Score 8.8high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a type confusion flaw in the V8 engine of Google Chrome before version 155.0.8059.39. An attacker can exploit this by delivering a specially crafted HTML page that triggers the flaw, enabling arbitrary code execution inside the sandboxed environment of the browser. The issue is classified as high severity by Chromium security and carries a CVSS 3.1 score of 8.8 with network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code within the sandbox of the affected Chrome browser, potentially compromising the confidentiality, integrity, and availability of the user's environment within the browser context. However, there are no known exploits in the wild at this time.
Mitigation Recommendations
A stable channel update for Google Chrome version 155.0.8059.39 has been released to address this vulnerability. Users and administrators should update to this version or later to mitigate the risk. No additional mitigation actions are specified by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-10-06T16:33:09.859Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/10/stable-channel-update-for-desktop_086471744.html","vendor":"Google"}]
Threat ID: 6ac5463f2cdf04f656d49d5c
Added to database: 10/06/2026, 19:04:31 UTC
Last enriched: 10/06/2026, 22:18:20 UTC
Last updated: 10/07/2026, 02:48:16 UTC
Views: 2
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