CVE-2026-19166: Use after free in Google Chrome
Use after free in Web Authentication in Google Chrome prior to 151.0.7922.109 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
CVE-2026-19166 is a use-after-free vulnerability (CWE-416) in the Web Authentication feature of Google Chrome before version 151.0.7922.109. Exploitation could enable a remote attacker to perform a sandbox escape via a specially crafted HTML page. This vulnerability affects the Chrome browser and was disclosed without an associated CVSS score. The vulnerability is addressed in Chrome version 151.0.7922.109 and later.
Potential Impact
Successful exploitation could allow a remote attacker to bypass sandbox restrictions in Google Chrome, potentially leading to execution of arbitrary code outside the browser sandbox. This elevates the risk of system compromise through a crafted web page.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.109 or later to remediate this vulnerability. Since this is a client-side software issue, applying the official update is the recommended and effective mitigation. No other vendor advisory or patch information is currently provided.
CVE-2026-19166: Use after free in Google Chrome
Description
Use after free in Web Authentication in Google Chrome prior to 151.0.7922.109 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 9.6critical
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-19166 is a use-after-free vulnerability (CWE-416) in the Web Authentication feature of Google Chrome before version 151.0.7922.109. Exploitation could enable a remote attacker to perform a sandbox escape via a specially crafted HTML page. This vulnerability affects the Chrome browser and was disclosed without an associated CVSS score. The vulnerability is addressed in Chrome version 151.0.7922.109 and later.
Potential Impact
Successful exploitation could allow a remote attacker to bypass sandbox restrictions in Google Chrome, potentially leading to execution of arbitrary code outside the browser sandbox. This elevates the risk of system compromise through a crafted web page.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.109 or later to remediate this vulnerability. Since this is a client-side software issue, applying the official update is the recommended and effective mitigation. No other vendor advisory or patch information is currently provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wvq2-h5rv-752w
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-19166"]
- State
- PUBLISHED
Threat ID: 6a7573a1bf8831d539d92184
Added to database: 08/07/2026, 05:56:49 UTC
Last enriched: 08/07/2026, 08:47:03 UTC
Last updated: 09/21/2026, 22:01:32 UTC
Views: 45
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