PatchSiren cyber security CVE debrief

CVE-2026-11649 Google CVE debrief

CVE-2026-11649 is a Use after free vulnerability in V8 in Google Chrome prior to 149.0.7827.103. This vulnerability, with a CVSS score of 8.8, could allow a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The vulnerability was published on June 9, 2026, and modified later that day.

Vendor: Google
Product: Chrome
CVSS: HIGH 8.8
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-09
Original CVE updated: 2026-06-09
Advisory published: 2026-06-09
Advisory updated: 2026-06-09

Who should care

Users of Google Chrome prior to version 149.0.7827.103 should update to the latest version to mitigate this vulnerability.

Technical summary

The vulnerability is caused by a use-after-free issue in the V8 engine of Google Chrome. This could allow an attacker to execute arbitrary code inside the browser's sandbox.

Defensive priority

High

Recommended defensive actions

Update Google Chrome to version 149.0.7827.103 or later.

Evidence notes

Evidence for this CVE comes from the official CVE record and the National Vulnerability Database (NVD).

Official resources

CVE-2026-11649 CVE record
CVE.org
CVE-2026-11649 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-2026-11649 was published on June 9, 2026, and modified later that day.