PatchSiren cyber security CVE debrief

CVE-2026-11230 Google CVE debrief

CVE-2026-11230 is a Use after free vulnerability in Extensions in Google Chrome prior to 149.0.7827.53. This vulnerability allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The Chromium security severity is rated as Low.

Vendor: Google
Product: Chrome
CVSS: HIGH 8.8
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-04
Original CVE updated: 2026-06-10
Advisory published: 2026-06-04
Advisory updated: 2026-06-10

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 a use-after-free issue in the Extensions component of Google Chrome. This occurs when the browser attempts to access memory that has already been freed, allowing an attacker to execute arbitrary code.

Defensive priority

HIGH

Recommended defensive actions

Update Google Chrome to version 149.0.7827.53 or later.

Evidence notes

The CVE-2026-11230 vulnerability was published on [cvePublishedAt] and modified on [cveModifiedAt].

Official resources

CVE-2026-11230 CVE record
CVE.org
CVE-2026-11230 NVD detail
NVD
Source item URL
nvd_modified
Mitigation or vendor reference
[email protected] - Release Notes
Source reference
[email protected] - Permissions Required

CVE-2026-11230 was published on 2026-06-04T23:17:30.817Z and modified on 2026-06-10T19:09:57.130Z.