CVE-2026-17658: Use after free in Google Chrome
CVE-2026-17658 is a use-after-free vulnerability in the V8 JavaScript engine of Google Chrome versions prior to 151.0.7922.72. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. The vulnerability is classified with high severity by Chromium security. Affected users should update to version 151.0.7922.72 or later to mitigate this issue.
AI Analysis
Technical Summary
This vulnerability involves a use-after-free condition in the V8 engine component of Google Chrome before version 151.0.7922.72. Exploitation requires a maliciously crafted HTML page that triggers arbitrary code execution inside the sandbox environment of the browser. The issue was publicly disclosed and assigned CVE-2026-17658. No CVSS score is provided, but the Chromium security team rates it as high severity. The vendor advisory indicates the fix is included in Chrome version 151.0.7922.72.
Potential Impact
Successful exploitation can lead to arbitrary code execution within the sandbox of the affected Chrome browser, potentially allowing attackers to run malicious code remotely. This could compromise the confidentiality and integrity of the user's browsing session and data within the sandboxed environment.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later, where this vulnerability has been addressed. The vendor advisory from Google confirms the availability of this fix. No additional mitigations are specified or required beyond applying the official update.
CVE-2026-17658: Use after free in Google Chrome
Description
CVE-2026-17658 is a use-after-free vulnerability in the V8 JavaScript engine of Google Chrome versions prior to 151.0.7922.72. This flaw allows a remote attacker to execute arbitrary code within the browser's sandbox by delivering a crafted HTML page. The vulnerability is classified with high severity by Chromium security. Affected users should update to version 151.0.7922.72 or later to mitigate this issue.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a use-after-free condition in the V8 engine component of Google Chrome before version 151.0.7922.72. Exploitation requires a maliciously crafted HTML page that triggers arbitrary code execution inside the sandbox environment of the browser. The issue was publicly disclosed and assigned CVE-2026-17658. No CVSS score is provided, but the Chromium security team rates it as high severity. The vendor advisory indicates the fix is included in Chrome version 151.0.7922.72.
Potential Impact
Successful exploitation can lead to arbitrary code execution within the sandbox of the affected Chrome browser, potentially allowing attackers to run malicious code remotely. This could compromise the confidentiality and integrity of the user's browsing session and data within the sandboxed environment.
Mitigation Recommendations
Users should update Google Chrome to version 151.0.7922.72 or later, where this vulnerability has been addressed. The vendor advisory from Google confirms the availability of this fix. No additional mitigations are specified or required beyond applying the official update.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:16.033Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa07c9c2644c7f849a62c
Added to database: 07/30/2026, 00:53:16 UTC
Last enriched: 07/30/2026, 03:07:58 UTC
Last updated: 07/30/2026, 03:07:58 UTC
Views: 2
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