CVE-2026-76021: Use after free in Google Chrome
Description
CVE-2026-76021 is a use-after-free vulnerability in the DOM component of Google Chrome versions prior to 151.0.7922.173. 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. It affects Chrome desktop versions before 151.0.7922.173. No known exploits in the wild have been reported at this time.
CVSS v3.1
Score 8.8high
Affected software
Chrome
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the Document Object Model (DOM) of Google Chrome before version 151.0.7922.173. An attacker can exploit this by delivering a specially crafted HTML page that triggers the flaw, enabling arbitrary code execution inside the browser's sandbox environment. The issue is classified as high severity with a CVSS 3.1 base score of 8.8, indicating significant potential impact on confidentiality, integrity, and availability. The vendor has published an advisory indicating a stable channel update addressing this issue.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary code within the sandboxed environment of the Chrome browser. This can lead to compromise of browser security, potentially affecting user data confidentiality, integrity, and availability. However, the attack requires user interaction (UI:R) and network access (AV:N). No active exploits have been reported.
Mitigation Recommendations
A stable channel update for Google Chrome version 151.0.7922.173 has been released to address this vulnerability. Users and administrators should update to this version or later to mitigate the risk. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-18T19:28:11.070Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0404570826.html","vendor":"Google"}]
Threat ID: 6a876922acd9273b491d0673
Added to database: 08/20/2026, 20:52:50 UTC
Last enriched: 09/10/2026, 23:02:22 UTC
Last updated: 10/04/2026, 18:53:18 UTC
Views: 40
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