PatchSiren cyber security CVE debrief

CVE-2026-11640 Google CVE debrief

CVE-2026-11640 is an integer overflow vulnerability in libyuv in Google Chrome prior to 149.0.7827.103. A remote attacker who had compromised the renderer process could potentially perform a sandbox escape via a crafted HTML page. The vulnerability has a CVSS score of 8.3 and is considered HIGH severity.

Vendor: Google
Product: Chrome
CVSS: HIGH 8.3
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 an integer overflow in libyuv, which is used in Google Chrome. An attacker who has compromised the renderer process can exploit this vulnerability to potentially escape the sandbox via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

Update Google Chrome to version 149.0.7827.103 or later.

Evidence notes

The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively.

Official resources

CVE-2026-11640 CVE record
CVE.org
CVE-2026-11640 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-2026-11640 was published on 2026-06-09T00:16:46.717Z and modified on 2026-06-09T20:30:59.773Z.