CVE-2026-11199: Insufficient validation of untrusted input in Google Chrome
CVE-2026-11199 is a vulnerability in Google Chrome's WebRTC implementation prior to version 149. 0. 7827. 53. It allows an attacker positioned within a privileged network to leak cross-origin data by exploiting insufficient validation of untrusted input. The vulnerability has been assigned a medium severity by Chromium security. There is no CVSS score available for this issue. The vendor advisory indicates a stable channel update addressing this issue was released in version 149. 0. 7827.
AI Analysis
Technical Summary
This vulnerability involves improper validation of untrusted input in the WebRTC component of Google Chrome before version 149.0.7827.53. An attacker with privileged network access could leverage this flaw to exfiltrate cross-origin data via malicious network traffic. The issue was publicly disclosed and fixed in the Chrome stable update 149.0.7827.53. No detailed CVSS metrics are provided, but the Chromium security team rates it as medium severity.
Potential Impact
An attacker in a privileged network position can exploit this vulnerability to leak cross-origin data, potentially compromising user privacy and data confidentiality. There are no reports of active exploitation in the wild. The impact is limited to affected versions of Chrome prior to 149.0.7827.53.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 149.0.7827.53 or later, where this vulnerability has been addressed. Since this is a client-side application, applying the official stable channel update is the recommended remediation. No additional mitigation steps are specified by the vendor advisory.
CVE-2026-11199: Insufficient validation of untrusted input in Google Chrome
Description
CVE-2026-11199 is a vulnerability in Google Chrome's WebRTC implementation prior to version 149. 0. 7827. 53. It allows an attacker positioned within a privileged network to leak cross-origin data by exploiting insufficient validation of untrusted input. The vulnerability has been assigned a medium severity by Chromium security. There is no CVSS score available for this issue. The vendor advisory indicates a stable channel update addressing this issue was released in version 149. 0. 7827.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves improper validation of untrusted input in the WebRTC component of Google Chrome before version 149.0.7827.53. An attacker with privileged network access could leverage this flaw to exfiltrate cross-origin data via malicious network traffic. The issue was publicly disclosed and fixed in the Chrome stable update 149.0.7827.53. No detailed CVSS metrics are provided, but the Chromium security team rates it as medium severity.
Potential Impact
An attacker in a privileged network position can exploit this vulnerability to leak cross-origin data, potentially compromising user privacy and data confidentiality. There are no reports of active exploitation in the wild. The impact is limited to affected versions of Chrome prior to 149.0.7827.53.
Mitigation Recommendations
Users and administrators should update Google Chrome to version 149.0.7827.53 or later, where this vulnerability has been addressed. Since this is a client-side application, applying the official stable channel update is the recommended remediation. No additional mitigation steps are specified by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-06-04T17:10:46.189Z
- 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: 6a220864e29bf47b50dbd55e
Added to database: 6/4/2026, 11:21:08 PM
Last enriched: 6/4/2026, 11:49:23 PM
Last updated: 6/5/2026, 4:57:58 AM
Views: 2
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