CVE intelligence

CVE-2026-42910

Vulnerability intelligence

Published Jun 9, 2026Sources checked Nov 13, 2026

7.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-42910 and is rated High severity with a CVSS score of 7.8. 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: Jun 30, 2026

Vendor remediation details

Install KB5094125. Install KB5094126. Install KB5095051.

Vendor-listed releases

10.0.26100.32995
10.0.26200.8655
10.0.26100.8655
10.0.28000.2269

CISA KEVNot listedBased on the latest collected catalog

EPSS0.3%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-42910?

Out-of-bounds write in Windows Hotpatch Monitoring Service allows an authorized attacker to elevate privileges locally.

Source: NVD