PatchSiren cyber security CVE debrief

CVE-2026-11020 Google CVE debrief

CVE-2026-11020 is a Medium severity vulnerability in Google Chrome prior to 149.0.7827.53. This vulnerability is caused by an inappropriate implementation in Extensions, which allowed a remote attacker to leak cross-origin data via a crafted XML file. The vulnerability has a CVSS score of 6.5 and is classified as CWE-346 and CWE-352.

Vendor: Google
Product: Chrome
CVSS: MEDIUM 6.5
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-04
Original CVE updated: 2026-06-08
Advisory published: 2026-06-04
Advisory updated: 2026-06-08

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 Extensions in Google Chrome prior to 149.0.7827.53. This allows a remote attacker to leak cross-origin data via a crafted XML file.

Defensive priority

Medium

Recommended defensive actions

Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

The vulnerability was published on 2026-06-04T23:17:05.950Z and modified on 2026-06-08T18:16:45.140Z.

Official resources

CVE-2026-11020 CVE record
CVE.org
CVE-2026-11020 NVD detail
NVD
Source item URL
nvd_modified
Mitigation or vendor reference
[email protected] - Release Notes, Vendor Advisory
Source reference
[email protected] - Permissions Required

CVE-2026-11020 was published on 2026-06-04T23:17:05.950Z and modified on 2026-06-08T18:16:45.140Z.