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PatchSiren cyber security CVE debrief

CVE-2026-11634 Google CVE debrief

CVE-2026-11634 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 is caused by a use-after-free issue in the Gamepad component. The CVSS score for this vulnerability is 9.6, indicating a high severity.

Vendor
Google
Product
Chrome
CVSS
CRITICAL 9.6
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 on Windows should apply the update to prevent exploitation of this vulnerability.

Technical summary

The vulnerability is caused by a use-after-free issue in the Gamepad component of Google Chrome on Windows. This allows a remote attacker to potentially perform a sandbox escape 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-2026-11634) and [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11634), respectively.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11634 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11634

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

  • CVE-2026-11634 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11634

    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.