PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11684 Google CVE debrief

CVE-2026-11684 is a vulnerability in Google Chrome prior to version 149.0.7827.103. The vulnerability is caused by insufficient policy enforcement in the Network component, allowing a remote attacker who has compromised the utility process to leak cross-origin data via a crafted HTML page. The Chromium security severity of this vulnerability is High, but the CVSS score is 3.1, indicating a Low severity.

Vendor
Google
Product
Chrome
CVSS
LOW 3.1
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 insufficient policy enforcement in the Network component of Google Chrome. This allows a remote attacker who has compromised the utility process to leak cross-origin data via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.103 or later.
  • Refer to [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop_0153744567.html) for more information on the update.

Evidence notes

The CVE record and NVD detail can be found at [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11684) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11684), respectively.

Official resources

CVE-2026-11684 was published on 2026-06-09T00:16:51.800Z and modified on 2026-06-09T14:51:44.460Z.