CVE intelligence

CVE-2026-8451

Vulnerability intelligence

Published Jun 30, 2026Sources checked Sep 12, 2026

7.5HIGHCVSS out of 10

What this means

Review the available evidence

CVE-2026-8451 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.

CISA KEVNot listedBased on the latest collected catalog

EPSS15.7%Estimated 30-day exploitation probability

Ransomware useNot markedCISA KEV ransomware field

Threat actors0Source-linked actor relationships

Overview

What is CVE-2026-8451?

Insufficient input validation in NetScaler ADC and NetScaler Gateway leading to memory overread if NetScaler ADC or NetScaler Gateway is configured as a SAML IDP