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 has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. Google has released a stable channel update to address this issue.
AI Analysis
Technical Summary
This vulnerability is a use-after-free bug in the V8 engine component of Google Chrome before version 151.0.7922.72. Exploiting this flaw enables remote code execution inside the sandbox environment via a specially crafted HTML page. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. The vendor advisory linked confirms the release of an update that fixes this issue.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code remotely within the sandboxed environment of the browser, potentially compromising confidentiality, integrity, and availability of the affected system. However, no active exploitation has been observed in the wild as of the published date.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later, where this vulnerability is patched. The vendor advisory confirms the availability of this fix. Applying this update eliminates the risk posed by this vulnerability.
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 has a high severity rating with a CVSS score of 8.8. No known exploits in the wild have been reported. Google has released a stable channel update to address this issue.
CVSS v3.1
Score 8.8high
Affected software
Chrome
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a use-after-free bug in the V8 engine component of Google Chrome before version 151.0.7922.72. Exploiting this flaw enables remote code execution inside the sandbox environment via a specially crafted HTML page. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. The vendor advisory linked confirms the release of an update that fixes this issue.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary code remotely within the sandboxed environment of the browser, potentially compromising confidentiality, integrity, and availability of the affected system. However, no active exploitation has been observed in the wild as of the published date.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 151.0.7922.72 or later, where this vulnerability is patched. The vendor advisory confirms the availability of this fix. Applying this update eliminates the risk posed by this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:34:16.033Z
- State
- PUBLISHED
- 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: 08/06/2026, 16:58:31 UTC
Last updated: 09/12/2026, 22:01:31 UTC
Views: 47
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