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PatchSiren cyber security CVE debrief

CVE-2026-10022 Google CVE debrief

Type Confusion in V8 in Google Chrome prior to 148.0.7778.216 allowed an attacker who convinced a user to install a malicious extension to execute arbitrary code inside a sandbox via a crafted Chrome Extension. (Chromium security severity: Medium)

Vendor
Google
Product
Chrome
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-28
Original CVE updated
2026-07-21
Advisory published
2026-05-28
Advisory updated
2026-07-21

Who should care

Organizations and individuals using Google Chrome browser, particularly those allowing browser extension installations. Security teams managing endpoint browser configurations and enterprise Chrome deployments.

Technical summary

A type confusion vulnerability in the V8 JavaScript engine of Google Chrome allowed arbitrary code execution within the sandbox environment when a user installed a malicious browser extension. The attack vector required social engineering to convince the victim to install the crafted extension. The vulnerability has been patched in Chrome 148.0.7778.216.

Defensive priority

medium

Recommended defensive actions

  • Update Google Chrome to version 148.0.7778.216 or later to remediate this vulnerability.
  • Review installed browser extensions and remove any that are unnecessary or from untrusted sources.
  • Consider implementing enterprise policies to restrict extension installation to approved sources only.
  • Monitor for suspicious extension installation requests as part of user security awareness training.

Evidence notes

The vulnerability is classified as CWE-843 (Type Confusion). The Chromium project assigned a Medium severity rating. The issue was resolved in Chrome stable channel update 148.0.7778.216.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-10022 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-10022

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

  • CVE-2026-10022 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-10022

    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.