CVE-2026-78938: Type confusion in Google Chrome
Description
CVE-2026-78938 is a high-severity type confusion vulnerability in the V8 JavaScript engine used by Google Chrome. It affects versions prior to 152.0.7977.65 and allows a remote attacker to execute arbitrary code inside the sandbox by crafting a malicious HTML page. The vulnerability has a CVSS score of 8.8, indicating a significant risk if exploited. No known exploits are reported in the wild at this time. A vendor advisory is available but does not explicitly state the patch or remediation status.
CVSS v3.1
Score 8.8high
Affected software
Chrome
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 152.0.7977.65. Exploitation requires a user to visit a crafted HTML page, which can lead to arbitrary code execution within the browser sandbox. The CVSS vector indicates the attack can be performed remotely without privileges and requires user interaction. The impact includes high confidentiality, integrity, and availability consequences. The vendor advisory link is provided but does not explicitly confirm patch availability or remediation steps.
Potential Impact
Successful exploitation allows remote code execution inside the sandbox, potentially compromising browser security and user data confidentiality, integrity, and availability. The high CVSS score reflects the severity of this impact. No active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html for current remediation guidance. Users and administrators should monitor official Google Chrome updates and apply them promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:04:17.054Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9b9acd9273b49ac6dab
Added to database: 08/25/2026, 20:23:21 UTC
Last enriched: 09/10/2026, 00:37:34 UTC
Last updated: 10/10/2026, 06:48:19 UTC
Views: 39
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