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PatchSiren cyber security CVE debrief

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
2026-07-23
Advisory published
2026-06-04
Advisory updated
2026-07-23

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11063 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11063

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-11063 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11063

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.