CVE-2026-78990: Use after free in Google Chrome
Description
CVE-2026-78990 is a use-after-free vulnerability in the compositing component of Google Chrome prior to version 152.0.7977.65. This flaw allows a remote attacker to execute arbitrary code within 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. The vendor advisory indicates a stable channel update addressing this issue is available.
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 compositing module of Google Chrome before version 152.0.7977.65. Exploitation requires user interaction (UI:R) and can lead to remote code execution inside the sandbox environment. The CVSS vector indicates the attack can be performed remotely over the network with low attack complexity and no privileges required. The impact includes high confidentiality, integrity, and availability consequences. Google has published an advisory with a stable channel update that presumably fixes this issue.
Potential Impact
Successful exploitation allows a remote attacker to execute arbitrary code within the Chrome sandbox, potentially compromising the confidentiality, integrity, and availability of the affected system. This could lead to unauthorized actions or data exposure within the sandboxed environment.
Mitigation Recommendations
A stable channel update for Google Chrome addressing this vulnerability is available as per the vendor advisory (https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html). Users and administrators should update to version 152.0.7977.65 or later to remediate this issue. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-25T06:07:02.219Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176589.html","vendor":"Google"}]
Threat ID: 6a8df9c2acd9273b49ac6e9f
Added to database: 08/25/2026, 20:23:30 UTC
Last enriched: 09/10/2026, 00:22:04 UTC
Last updated: 10/08/2026, 06:48:19 UTC
Views: 33
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