PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11691 Google CVE debrief

CVE-2026-11691 is a vulnerability in Google Chrome prior to version 149.0.7827.103. The vulnerability is caused by insufficient validation of untrusted input in the New Tab Page. This allows a remote attacker who has compromised the renderer 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 validation of untrusted input in the New Tab Page in Google Chrome prior to version 149.0.7827.103. This allows a remote attacker who has compromised the renderer 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.

Evidence notes

The CVE record [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11691) and NVD detail [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11691) provide additional information about this vulnerability.

Official resources

CVE-2026-11691 was published on 2026-06-09T00:16:52.553Z and modified on 2026-06-09T14:58:32.850Z.