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CVE-2026-11100 Google CVE debrief

CVE-2026-11100 is a use-after-free vulnerability in the File Input component of Google Chrome on Mac systems. This vulnerability, with a CVSS score of 9.6, could allow a remote attacker to potentially escape the sandbox by convincing a user to engage in specific UI gestures via a crafted HTML page. The vulnerability was first published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-11100) on 2026-06-04 and later detailed on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-11100).

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 Mac systems prior to version 149.0.7827.53 should apply the update immediately to mitigate this vulnerability.

Technical summary

The vulnerability is a use-after-free issue in the File Input component of Google Chrome on Mac. This could allow an attacker to execute arbitrary code, potentially leading to a sandbox escape. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Avoid engaging in suspicious UI gestures when interacting with untrusted HTML pages.

Evidence notes

Evidence for this CVE comes from the official CVE record and NVD detail pages.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11100 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11100

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

  • CVE-2026-11100 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11100

    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.