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CVE-2026-11633 Google CVE debrief

CVE-2026-11633 is a high-severity vulnerability in Google Chrome on Mac, with a CVSS score of 8.8. The vulnerability is caused by a use-after-free issue in the Bluetooth component, which can be exploited by a remote attacker to execute arbitrary code via a malicious peripheral. This vulnerability was published on June 9, 2026, and has been patched in Google Chrome version 149.0.7827.103.

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 on Mac, particularly those who may be targeted by attackers via malicious peripherals.

Technical summary

The vulnerability is caused by a use-after-free issue in the Bluetooth component of Google Chrome on Mac. This can be exploited by a remote attacker to execute arbitrary code via a malicious peripheral. The vulnerability has been patched in Google Chrome version 149.0.7827.103.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.103 or later.
  • Be cautious when connecting to unknown or untrusted peripherals.

Evidence notes

The vulnerability was published on June 9, 2026, and has been patched in Google Chrome version 149.0.7827.103. The CVSS score is 8.8, indicating a high-severity vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11633 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11633

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

  • CVE-2026-11633 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11633

    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.