CVE-2026-19166: Use after free in Google Chrome
CVE-2026-19166 is a use-after-free vulnerability in the Web Authentication component of Google Chrome prior to version 151.0.7922.109. This flaw could allow a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The vulnerability is rated as high severity by Chromium security. There is no explicit CVSS score provided. The vendor advisory linked indicates a stable channel update addressing this issue.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the Web Authentication feature of Google Chrome versions before 151.0.7922.109. Exploitation could enable a remote attacker to perform a sandbox escape, which compromises the browser's security boundaries. The issue was publicly disclosed and patched by Google in the stable channel update referenced in the vendor advisory.
Potential Impact
Successful exploitation could allow a remote attacker to escape the Chrome sandbox, potentially leading to execution of arbitrary code with elevated privileges outside the browser's restricted environment. This poses a significant security risk to users running affected versions of Chrome.
Mitigation Recommendations
Google has released an official fix in Chrome version 151.0.7922.109. Users and administrators should update to this version or later to mitigate the vulnerability. Patch status is confirmed by the vendor advisory linked. No additional mitigations are indicated by the vendor.
CVE-2026-19166: Use after free in Google Chrome
Description
CVE-2026-19166 is a use-after-free vulnerability in the Web Authentication component of Google Chrome prior to version 151.0.7922.109. This flaw could allow a remote attacker to potentially escape the browser sandbox by crafting a malicious HTML page. The vulnerability is rated as high severity by Chromium security. There is no explicit CVSS score provided. The vendor advisory linked indicates a stable channel update addressing this issue.
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 Web Authentication feature of Google Chrome versions before 151.0.7922.109. Exploitation could enable a remote attacker to perform a sandbox escape, which compromises the browser's security boundaries. The issue was publicly disclosed and patched by Google in the stable channel update referenced in the vendor advisory.
Potential Impact
Successful exploitation could allow a remote attacker to escape the Chrome sandbox, potentially leading to execution of arbitrary code with elevated privileges outside the browser's restricted environment. This poses a significant security risk to users running affected versions of Chrome.
Mitigation Recommendations
Google has released an official fix in Chrome version 151.0.7922.109. Users and administrators should update to this version or later to mitigate the vulnerability. Patch status is confirmed by the vendor advisory linked. No additional mitigations are indicated by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-06T16:51:51.741Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01193673229.html","vendor":"Google"}]
Threat ID: 6a7506ffbf8831d5395f5949
Added to database: 08/06/2026, 22:13:19 UTC
Last enriched: 08/06/2026, 23:26:34 UTC
Last updated: 08/07/2026, 00:21:07 UTC
Views: 2
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