CVE-2026-17976: Policy bypass in Google Chrome
A policy bypass vulnerability exists in Google Chrome extensions prior to version 151.0.7922.72. This flaw allows an attacker who convinces a user to install a malicious extension to bypass discretionary access control using a crafted domain name. The vulnerability is rated as low severity by Chromium security.
AI Analysis
Technical Summary
CVE-2026-17976 is a vulnerability in Google Chrome affecting extension policy enforcement. In versions before 151.0.7922.72, insufficient enforcement of extension policies allows an attacker to bypass discretionary access control by leveraging a crafted domain name after persuading the user to install a malicious extension. This could lead to unauthorized actions by the extension that would normally be restricted by policy.
Potential Impact
The impact is limited to policy bypass in Chrome extensions, potentially allowing malicious extensions to perform actions beyond their intended permissions. The severity is low, indicating limited risk and impact. There are no known exploits in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for details.
CVE-2026-17976: Policy bypass in Google Chrome
Description
A policy bypass vulnerability exists in Google Chrome extensions prior to version 151.0.7922.72. This flaw allows an attacker who convinces a user to install a malicious extension to bypass discretionary access control using a crafted domain name. The vulnerability is rated as low severity by Chromium security.
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
CVE-2026-17976 is a vulnerability in Google Chrome affecting extension policy enforcement. In versions before 151.0.7922.72, insufficient enforcement of extension policies allows an attacker to bypass discretionary access control by leveraging a crafted domain name after persuading the user to install a malicious extension. This could lead to unauthorized actions by the extension that would normally be restricted by policy.
Potential Impact
The impact is limited to policy bypass in Chrome extensions, potentially allowing malicious extensions to perform actions beyond their intended permissions. The severity is low, indicating limited risk and impact. There are no known exploits in the wild.
Mitigation Recommendations
A fix is available in Google Chrome version 151.0.7922.72. Users and administrators should update to this version or later to remediate the vulnerability. Refer to the official Google Chrome stable channel update advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for details.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:11.648Z
- 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: 6a6aa0ad9c2644c7f849bd25
Added to database: 07/30/2026, 00:54:05 UTC
Last enriched: 07/30/2026, 01:39:09 UTC
Last updated: 07/30/2026, 02:03:48 UTC
Views: 3
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