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PatchSiren cyber security CVE debrief

CVE-2026-11664 Google CVE debrief

CVE-2026-11664 is a high-severity vulnerability in Google Chrome prior to version 149.0.7827.103. The vulnerability is caused by a use-after-free issue in the Payments component, which could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. The CVSS score for this vulnerability is 8.8, indicating a high level of severity.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
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. Additionally, developers and administrators responsible for managing Chrome installations should ensure that all instances are updated to the latest version.

Technical summary

The vulnerability is caused by a use-after-free issue in the Payments component of Google Chrome. This could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.103 or later.
  • Ensure that all instances of Google Chrome are updated to the latest version.

Evidence notes

The CVE record and NVD detail for CVE-2026-11664 can be found at [cve-org] and [nvd], respectively. Additional information can be found in the Chrome release notes and issue tracker at [ref-4] and [ref-5].

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11664 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11664

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

  • CVE-2026-11664 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11664

    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.