CVE-2026-8452

high · 8.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Added 2026-08-26Remediation due 2026-08-29

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

8.8

CVSS

1.0%

EPSS (exploit prob.)

63rd

EPSS percentile

2026-06-30

Published

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-119

Affected products

Vendor	Product	Affected versions
citrix	netscaler_application_delivery_controller	< 13.1-37.272
citrix	netscaler_application_delivery_controller	< 13.1-37.272
citrix	netscaler_application_delivery_controller	>= 13.1, < 13.1-63.18
citrix	netscaler_application_delivery_controller	>= 14.1, < 14.1-72.61
citrix	netscaler_application_delivery_controller	14.1-66.68
citrix	netscaler_gateway	>= 13.1, < 13.1-63.18
citrix	netscaler_gateway	>= 14.1, < 14.1-72.61

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-8452