CVE intelligence

CVE-2026-24293

Vulnerability intelligence

Published Mar 10, 2026Sources checked Oct 3, 2026

7.8HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-24293 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

Install KB5079466. Install KB5078766. Install KB5078737. Install KB5078885. Install KB5078740. Install KB5078736. Install KB5079473. Install KB5079420. Install KB5078883. Install KB5078734.

Vendor-listed releases

10.0.28000.1719
10.0.20348.4893
10.0.20348.4830
10.0.19044.7058
10.0.19045.7058
10.0.26100.32522
10.0.26100.32463
10.0.26200.8037
10.0.26200.7979
10.0.22631.6783
10.0.25398.2207
10.0.26100.8037
10.0.26100.7979

CISA KEVNot listedBased on the latest collected catalog

EPSS0.5%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-24293?

Null pointer dereference in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.