CVE-2026-78956: Type confusion in Google Chrome
Description
A type confusion vulnerability exists in the V8 engine of Google Chrome versions prior to 152.0.7977.65. This flaw allows a remote attacker to execute arbitrary code inside the sandbox by tricking a user into visiting a crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. Google has released an update to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78956 is a type confusion vulnerability in the V8 JavaScript engine used by Google Chrome. It affects versions before 152.0.7977.65 and enables remote attackers to execute arbitrary code within the sandbox environment by leveraging social engineering techniques to lure users to maliciously crafted HTML pages. The vulnerability is rated high severity (CVSS 8.8) due to its potential impact on confidentiality, integrity, and availability. The vendor has published a stable channel update to fix this issue.
Potential Impact
Successful exploitation allows remote code execution inside the sandbox, potentially compromising the confidentiality, integrity, and availability of the affected system. The attack requires user interaction (UI:R) and network access (AV:N) but no privileges or prior authentication. No active exploitation has been reported.
Mitigation Recommendations
Users should update Google Chrome to version 152.0.7977.65 or later, where this vulnerability is fixed. The vendor advisory confirms the availability of an official fix. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:05:03.932Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9bcacd9273b49ac6df7
Added to database: 08/25/2026, 20:23:24 UTC
Last enriched: 09/10/2026, 00:22:31 UTC
Last updated: 10/09/2026, 06:48:19 UTC
Views: 41
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