CVE-2026-17920: Use after free in Google Chrome
A use-after-free vulnerability exists in the V8 engine of Google Chrome prior to version 151.0.7922.72. This flaw could allow an attacker who convinces a user to install a malicious Chrome extension to execute arbitrary code within the sandbox environment. The vulnerability is classified with low severity by Chromium security. No confirmed exploits in the wild have been reported. A vendor advisory is available but does not explicitly state the patch status or remediation details.
AI Analysis
Technical Summary
CVE-2026-17920 is a use-after-free vulnerability in the V8 JavaScript engine component of Google Chrome versions before 151.0.7922.72. Exploitation requires user interaction in the form of installing a crafted malicious Chrome extension, which could then execute arbitrary code inside the sandbox. The vulnerability is rated low severity by the Chromium security team. The vendor advisory linked does not explicitly confirm if a fix has been released, but the affected version is identified as =151.0.7922.72, implying this version is vulnerable.
Potential Impact
An attacker who successfully convinces a user to install a malicious Chrome extension could execute arbitrary code inside the sandboxed environment of the browser. This could potentially lead to unauthorized actions within the browser context but is limited by sandbox restrictions. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users and administrators should monitor for official updates from Google Chrome and apply them promptly once available. Until then, avoid installing untrusted Chrome extensions.
CVE-2026-17920: Use after free in Google Chrome
Description
A use-after-free vulnerability exists in the V8 engine of Google Chrome prior to version 151.0.7922.72. This flaw could allow an attacker who convinces a user to install a malicious Chrome extension to execute arbitrary code within the sandbox environment. The vulnerability is classified with low severity by Chromium security. No confirmed exploits in the wild have been reported. A vendor advisory is available but does not explicitly state the patch status or remediation details.
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-17920 is a use-after-free vulnerability in the V8 JavaScript engine component of Google Chrome versions before 151.0.7922.72. Exploitation requires user interaction in the form of installing a crafted malicious Chrome extension, which could then execute arbitrary code inside the sandbox. The vulnerability is rated low severity by the Chromium security team. The vendor advisory linked does not explicitly confirm if a fix has been released, but the affected version is identified as =151.0.7922.72, implying this version is vulnerable.
Potential Impact
An attacker who successfully convinces a user to install a malicious Chrome extension could execute arbitrary code inside the sandboxed environment of the browser. This could potentially lead to unauthorized actions within the browser context but is limited by sandbox restrictions. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users and administrators should monitor for official updates from Google Chrome and apply them promptly once available. Until then, avoid installing untrusted Chrome extensions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:00.699Z
- 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: 6a6aa0a59c2644c7f849ba43
Added to database: 07/30/2026, 00:53:57 UTC
Last enriched: 07/30/2026, 02:25:23 UTC
Last updated: 07/30/2026, 03:12:13 UTC
Views: 2
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