CVE intelligence

CVE-2026-105544

Vulnerability intelligence

Published Nov 10, 2026Sources checked Nov 10, 2026

7.5HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-105544 and is rated High severity with a CVSS score of 7.5. 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

Vendor remediation details

Release Notes Install KB5135243. Install KB5135242. Install KB5135241.

Vendor-listed releases

8.0.428
9.0.321
10.0.404
11.0.100
17.14.45
18.11.4
18.12.0
18.11.1

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-2026-105544?

Improper access control in .NET allows an authorized attacker to elevate privileges locally.

Source: NVD