CVE-2026-78899: Use after free in Google Chrome
Description
CVE-2026-78899 is a use-after-free vulnerability in the V8 JavaScript engine of Google Chrome prior to version 152.0.7977.65. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. The vulnerability has a high severity rating with a CVSS score of 8.8. Google has released an update in version 152.0.7977.65 to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the V8 engine component of Google Chrome before version 152.0.7977.65. Exploitation requires a user to visit a maliciously crafted HTML page, which can lead to arbitrary code execution inside the sandbox environment. The CVSS v3.1 score is 8.8, indicating high impact on confidentiality, integrity, and availability. The vendor advisory confirms that the issue is fixed in Chrome version 152.0.7977.65.
Potential Impact
Successful exploitation could allow a remote attacker to execute arbitrary code within the sandbox of the affected Chrome browser, potentially leading to full compromise of the browser process. The impact includes high confidentiality, integrity, and availability consequences as per the CVSS vector.
Mitigation Recommendations
Users should update Google Chrome to version 152.0.7977.65 or later, where this vulnerability is patched. No additional mitigation is required once the update is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:03:56.790Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9b5acd9273b49ac6d51
Added to database: 08/25/2026, 20:23:17 UTC
Last enriched: 09/10/2026, 01:07:36 UTC
Last updated: 10/10/2026, 06:48:19 UTC
Views: 58
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