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PatchSiren cyber security CVE debrief

CVE-2026-11185 Google CVE debrief

CVE-2026-11185 is a use-after-free vulnerability in V8 in Google Chrome prior to 149.0.7827.53. An attacker could exploit this vulnerability to execute arbitrary code inside a sandbox via a crafted Chrome Extension if they convinced a user to install the extension. The vulnerability has a CVSS score of 8.1 and is considered HIGH severity.

Vendor
Google
Product
Chrome
CVSS
HIGH 8.1
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 prior to version 149.0.7827.53, and administrators of systems where Google Chrome is installed.

Technical summary

The vulnerability is a use-after-free issue in the V8 engine of Google Chrome. This type of vulnerability occurs when the program attempts to use memory after it has been freed, which can lead to arbitrary code execution.

Defensive priority

High

Recommended defensive actions

  • Update Google Chrome to version 149.0.7827.53 or later.
  • Be cautious when installing Chrome extensions, and only install extensions from trusted sources.

Evidence notes

The CVE record and NVD detail pages provide additional information about this vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-11185 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-11185

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

  • CVE-2026-11185 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-11185

    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.