CVE-2026-76021: Use after free in Google Chrome
CVE-2026-76021 is a use-after-free vulnerability in the DOM component of Google Chrome prior to version 151.0.7922.173. This flaw allows a remote attacker to execute arbitrary code within the sandbox by crafting a malicious HTML page. The vulnerability is rated as high severity by Chromium security. No CVSS score is provided. The vendor has published an advisory but has not explicitly stated the patch or remediation status in the provided data.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Document Object Model (DOM) of Google Chrome versions before 151.0.7922.173. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution inside the browser's sandbox environment. The issue is recognized as high severity by Chromium security. The vendor advisory URL is available but does not explicitly confirm patch availability or remediation details in the provided input.
Potential Impact
Successful exploitation allows remote code execution inside the sandbox of the affected Chrome browser, potentially enabling an attacker to run arbitrary code with the privileges of the browser process. This could lead to further compromise depending on sandbox escape techniques, but the direct impact is limited to code execution within the sandbox.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0404570826.html for current remediation guidance. Users should update to version 151.0.7922.173 or later once confirmed to be fixed. Until then, avoid visiting untrusted or suspicious websites that could host crafted HTML content.
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 prior to version 151.0.7922.173. This flaw allows a remote attacker to execute arbitrary code within the sandbox by crafting a malicious HTML page. The vulnerability is rated as high severity by Chromium security. No CVSS score is provided. The vendor has published an advisory but has not explicitly stated the patch or remediation status in the provided data.
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
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 versions before 151.0.7922.173. Exploitation requires a remote attacker to deliver a specially crafted HTML page that triggers arbitrary code execution inside the browser's sandbox environment. The issue is recognized as high severity by Chromium security. The vendor advisory URL is available but does not explicitly confirm patch availability or remediation details in the provided input.
Potential Impact
Successful exploitation allows remote code execution inside the sandbox of the affected Chrome browser, potentially enabling an attacker to run arbitrary code with the privileges of the browser process. This could lead to further compromise depending on sandbox escape techniques, but the direct impact is limited to code execution within the sandbox.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0404570826.html for current remediation guidance. Users should update to version 151.0.7922.173 or later once confirmed to be fixed. Until then, avoid visiting untrusted or suspicious websites that could host crafted HTML content.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-18T19:28:11.070Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- 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: 08/20/2026, 21:07:53 UTC
Last updated: 08/20/2026, 23:59:52 UTC
Views: 5
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