Detections
Analytics

CVE-2026-8452

high

Description

Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

References

https://www.securityweek.com/citrix-patches-netscaler-vulnerabilities-including-new-http-2-bomb-attack/

https://thehackernews.com/2026/07/citrix-patches-six-netscaler-flaws.html

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604

Details

Source: Mitre, NVD

Published: 2026-06-30

Updated: 2026-07-01

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 8.8

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:H/SC:L/SI:L/SA:L

Severity: High

EPSS

EPSS: 0.00403