CVE intelligence

CVE-2026-105588

Vulnerability intelligence

Published Nov 10, 2026Sources checked Nov 10, 2026

6.4MEDIUMCVSS out of 10

What this means

Review the available evidence

CVE-2026-105588 and is rated Medium severity with a CVSS score of 6.4. 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

Install KB5131291. Install KB5131085. Install KB5131090. Install KB5131080. Install KB5131077.

Vendor-listed releases

10.0.14393.9688
10.0.17763.9487
10.0.20348.5870
10.0.26100.33822
10.0.26100.33730

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-2026-105588?

Missing authentication for critical function in Windows DHCP Server allows an authorized attacker to elevate privileges locally.

Source: NVD