CVE-2026-11220: Insufficient validation of untrusted input in Google Chrome
CVE-2026-11220 is a vulnerability in Google Chrome prior to version 149. 0. 7827. 53 involving insufficient validation of untrusted input during navigation. This flaw could allow a remote attacker who has already compromised the renderer process to bypass site isolation protections by using a crafted HTML page. The Chromium security team has rated this vulnerability as low severity. There is no CVSS score provided, and no known exploits in the wild have been reported. The vendor advisory linked indicates a stable channel update addressing this issue is available.
AI Analysis
Technical Summary
This vulnerability in Google Chrome versions before 149.0.7827.53 involves insufficient validation of untrusted input in the navigation component. An attacker with control over the renderer process could exploit this to bypass site isolation, a security feature designed to separate different websites' processes to prevent data leaks. The issue was identified and patched by Google in the stable channel update referenced in the vendor advisory.
Potential Impact
If exploited, an attacker who has already compromised the renderer process could bypass site isolation, potentially increasing the risk of cross-site data leaks or other security boundary violations within the browser. However, the overall severity is rated low by the Chromium security team, and no active exploitation has been reported.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53 and later. Users and administrators should update to this version or a more recent release to remediate the vulnerability. Since this is a client-side application, patching the browser is the recommended and effective mitigation.
CVE-2026-11220: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-11220 is a vulnerability in Google Chrome prior to version 149. 0. 7827. 53 involving insufficient validation of untrusted input during navigation. This flaw could allow a remote attacker who has already compromised the renderer process to bypass site isolation protections by using a crafted HTML page. The Chromium security team has rated this vulnerability as low severity. There is no CVSS score provided, and no known exploits in the wild have been reported. The vendor advisory linked indicates a stable channel update addressing this issue is available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome versions before 149.0.7827.53 involves insufficient validation of untrusted input in the navigation component. An attacker with control over the renderer process could exploit this to bypass site isolation, a security feature designed to separate different websites' processes to prevent data leaks. The issue was identified and patched by Google in the stable channel update referenced in the vendor advisory.
Potential Impact
If exploited, an attacker who has already compromised the renderer process could bypass site isolation, potentially increasing the risk of cross-site data leaks or other security boundary violations within the browser. However, the overall severity is rated low by the Chromium security team, and no active exploitation has been reported.
Mitigation Recommendations
A fix is available in Google Chrome version 149.0.7827.53 and later. Users and administrators should update to this version or a more recent release to remediate the vulnerability. Since this is a client-side application, patching the browser is the recommended and effective mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:10:54.142Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html","vendor":"Google"}]
Threat ID: 6a22086fe29bf47b50dbe7ca
Added to database: 6/4/2026, 11:21:19 PM
Last enriched: 6/4/2026, 11:34:41 PM
Last updated: 6/5/2026, 4:19:18 AM
Views: 2
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