PatchSiren cyber security CVE debrief

CVE-2026-11199 Google CVE debrief

CVE-2026-11199 is a Medium severity vulnerability in Google Chrome prior to 149.0.7827.53. The vulnerability is caused by an inappropriate implementation in WebRTC, which allows an attacker in a privileged network position to leak cross-origin data via malicious network traffic. The CVSS score for this vulnerability is 5.9.

Vendor: Google
Product: Chrome
CVSS: MEDIUM 5.9
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-04
Original CVE updated: 2026-06-06
Advisory published: 2026-06-04
Advisory updated: 2026-06-06

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by an inappropriate implementation in WebRTC in Google Chrome prior to 149.0.7827.53. This allows an attacker in a privileged network position to leak cross-origin data via malicious network traffic.

Defensive priority

Medium

Recommended defensive actions

Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

The CVE was published on 2026-06-04T23:17:27.050Z and modified on 2026-06-06T13:16:26.103Z.

Official resources

CVE-2026-11199 CVE record
CVE.org
CVE-2026-11199 NVD detail
NVD
Source item URL
nvd_modified
Mitigation or vendor reference
[email protected] - Vendor Advisory
Source reference
[email protected] - Permissions Required

CVE-2026-11199 was published on 2026-06-04T23:17:27.050Z and modified on 2026-06-06T13:16:26.103Z.