CVE-2026-19557: Use after free in Google Chrome
CVE-2026-19557 is a use-after-free vulnerability in the TabStrip component of Google Chrome on Mac systems prior to version 151.0.7922.137. This flaw could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox by crafting a malicious HTML page. The vulnerability is rated as high severity by Chromium security. A vendor advisory is available but does not explicitly confirm patch status or remediation details.
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
CVE-2026-19557 is a use-after-free vulnerability in the TabStrip component of Google Chrome on Mac systems prior to version 151.0.7922.137. This flaw could allow a remote attacker who has compromised the renderer process to potentially escape the sandbox by crafting a malicious HTML page. The vulnerability is rated as high severity by Chromium security. A vendor advisory is available but does not explicitly confirm patch status or remediation details.
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 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
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- 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: 08/12/2026, 01:24:24 UTC
Views: 8
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.