CVE intelligence

CVE-2026-96320

Vulnerability intelligence

Published Oct 13, 2026Sources checked Oct 21, 2026

9.8CRITICALCVSS out of 10

What this means

Review the available evidence

CVE-2026-96320 and is rated Critical severity with a CVSS score of 9.8. 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: Oct 13, 2026

Vendor remediation details

Install KB5126835. Install KB5126836. Install KB5126868. Install KB5126651. Install KB5126655. Install KB5126646.

Vendor-listed releases

6.2.9200.26434
6.3.9600.23470
10.0.14393.9612
10.0.17763.9376
10.0.20348.5761
10.0.26100.33650

CISA KEVNot listedBased on the latest collected catalog

EPSS0.9%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-96320?

Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.

Source: NVD