CVE-2026-19557: Use after free in Google Chrome
Use after free in TabStrip in Google Chrome on Mac prior to 151.0.7922.137 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the TabStrip component of Google Chrome on Mac platforms before version 151.0.7922.137. Exploitation requires prior compromise of the renderer process and could lead to sandbox escape via a specially crafted HTML page. The issue is recognized by Chromium security as high severity. Although a vendor advisory URL is provided, it does not explicitly state whether an official fix has been released or if a temporary mitigation is available.
Potential Impact
If exploited, this vulnerability could allow an attacker with control over the renderer process to escape the sandbox environment, potentially leading to elevated privileges or further system compromise on affected Mac systems running vulnerable Chrome versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html for current remediation guidance. Until official confirmation of a fix, users should update to the latest Chrome version as soon as updates become available.
CVE-2026-19557: Use after free in Google Chrome
Description
Use after free in TabStrip in Google Chrome on Mac prior to 151.0.7922.137 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
CVSS v3.1
Score 8.3high
Affected software
Chrome
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 TabStrip component of Google Chrome on Mac platforms before version 151.0.7922.137. Exploitation requires prior compromise of the renderer process and could lead to sandbox escape via a specially crafted HTML page. The issue is recognized by Chromium security as high severity. Although a vendor advisory URL is provided, it does not explicitly state whether an official fix has been released or if a temporary mitigation is available.
Potential Impact
If exploited, this vulnerability could allow an attacker with control over the renderer process to escape the sandbox environment, potentially leading to elevated privileges or further system compromise on affected Mac systems running vulnerable Chrome versions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html for current remediation guidance. Until official confirmation of a fix, users should update to the latest Chrome version as soon as updates become available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-08-11T17:27:18.997Z
- State
- PUBLISHED
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_01815628406.html","vendor":"Google"}]
Threat ID: 6a7b9397bf8831d53970fd86
Added to database: 08/11/2026, 21:26:47 UTC
Last enriched: 08/11/2026, 21:41:27 UTC
Last updated: 09/26/2026, 23:23:31 UTC
Views: 50
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