PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-11000 Google CVE debrief

CVE-2026-11000 is a use-after-free vulnerability in the Fonts component of Google Chrome on Linux, prior to version 149.0.7827.53. This vulnerability allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. The vulnerability has a CVSS score of 8.8 and is classified as HIGH severity.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-04
Original CVE updated
2026-07-22
Advisory published
2026-06-04
Advisory updated
2026-07-22

Who should care

Users of Google Chrome on Linux, particularly those who browse the web and may encounter crafted HTML pages.

Technical summary

The vulnerability is a use-after-free issue in the Fonts component of Google Chrome on Linux. This occurs when the program attempts to access memory after it has been freed, allowing an attacker to execute arbitrary code.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Avoid clicking on suspicious links or opening crafted HTML pages from untrusted sources.

Evidence notes

The vulnerability was reported by an anonymous researcher and is tracked by Chromium as issue 492374380.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11000 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11000

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

  • CVE-2026-11000 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11000

    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.