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CVE intelligence

CVE-2026-88224

Vulnerability intelligence

Published Nov 10, 2026Sources checked Nov 10, 2026
7.0HIGHCVSS out of 10
What this means

Review the available evidence

CVE-2026-88224 and is rated High severity with a CVSS score of 7.0. It is not in the current CISA KEV record we collected. That does not prove exploitation has not occurred.

What to do next

Remediation and response

Microsoft Security Response Center guidance

Vendor revision: Nov 10, 2026

Install KB5131291. Install KB5131085.

Vendor-listed releases

  • 10.0.14393.9688
  • 10.0.17763.9487
CISA KEVNot listedBased on the latest collected catalog
EPSSUnavailableNo current score collected
Ransomware useNot markedCISA KEV ransomware field
Threat actors0Source-linked actor relationships
Overview

What is CVE-2026-88224?

Improper link resolution before file access ('link following') in Windows AppX Deployment Service allows an authorized attacker to elevate privileges locally.

Source: NVD