CVE-2026-102321: Type confusion in Google Chrome
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-102321 is a type confusion vulnerability in the V8 JavaScript engine used by Google Chrome. This flaw affects versions prior to 154.0.8037.92 and enables a remote attacker to execute arbitrary code within the sandbox environment by delivering a specially crafted HTML page. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. The vendor has released an official fix in Chrome version 154.0.8037.92.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code inside the sandboxed environment of the browser, potentially compromising the confidentiality, integrity, and availability of the affected system. The vulnerability requires user interaction (visiting a malicious HTML page) but does not require prior privileges or authentication.
Mitigation Recommendations
An official fix is available in Google Chrome version 154.0.8037.92. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-102321: Type confusion in Google Chrome
Description
Type confusion in V8 in Google Chrome prior to 154.0.8037.92 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-102321 is a type confusion vulnerability in the V8 JavaScript engine used by Google Chrome. This flaw affects versions prior to 154.0.8037.92 and enables a remote attacker to execute arbitrary code within the sandbox environment by delivering a specially crafted HTML page. The vulnerability has a CVSS 3.1 base score of 8.8, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. The vendor has released an official fix in Chrome version 154.0.8037.92.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code inside the sandboxed environment of the browser, potentially compromising the confidentiality, integrity, and availability of the affected system. The vulnerability requires user interaction (visiting a malicious HTML page) but does not require prior privileges or authentication.
Mitigation Recommendations
An official fix is available in Google Chrome version 154.0.8037.92. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-09-28T21:44:50.605Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_01807488085.html","vendor":"Google"}]
Threat ID: 6abc21e1680226ef6840066f
Added to database: 09/29/2026, 20:38:57 UTC
Last enriched: 09/29/2026, 20:51:25 UTC
Last updated: 09/30/2026, 03:03:21 UTC
Views: 9
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