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CVE-2026-11063 Google CVE debrief

CVE-2026-11063 is a critical vulnerability in Google Chrome on Windows, allowing a remote attacker to potentially perform a sandbox escape via a crafted HTML page. The vulnerability has a CVSS score of 9.6 and is classified as CRITICAL. It was published on 2026-06-04T23:17:10.793Z and modified on 2026-06-08T14:51:57.013Z.

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 on Windows should apply the patch to prevent potential sandbox escapes.

Technical summary

Insufficient validation of untrusted input in WebNN in Google Chrome on Windows prior to 149.0.7827.53 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Defensive priority

High

Recommended defensive actions

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

Evidence notes

Evidence from NVD and CVE.org.

Official resources

CVE-2026-11063 was published on 2026-06-04T23:17:10.793Z and modified on 2026-06-08T14:51:57.013Z.