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CVE-2026-11146 Google CVE debrief

CVE-2026-11146 is a critical vulnerability in Google Chrome prior to version 149.0.7827.53. The issue is related to insufficient validation of untrusted input in Chromoting, which allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. This vulnerability has a CVSS score of 9.6 and is classified as CRITICAL.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.6
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-06-08
Advisory published
2026-06-04
Advisory updated
2026-06-08

Who should care

Users of Google Chrome prior to version 149.0.7827.53 should update to the latest version to mitigate this vulnerability. Additionally, administrators and security teams responsible for managing Chrome deployments should prioritize patching to prevent potential sandbox escapes.

Technical summary

The vulnerability is caused by insufficient validation of untrusted input in Chromoting, a component of Google Chrome. This allows a remote attacker who has compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Review and apply the vendor advisory: [ref-4](https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html).

Evidence notes

The CVE record and NVD detail can be found at: [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11146) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11146).

Official resources

CVE-2026-11146 was published on 2026-06-04T23:17:20.897Z and modified on 2026-06-08T19:16:40.883Z.