CVE-2026-8452
9.8 · CRITICAL Actively ExploitedOverview
CVE-2026-8452 is a critical-severity vulnerability affecting citrix netscaler_application_delivery_controller. It was published on June 30, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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
Remediation
Check the references section for vendor advisories and patches from citrix. Update netscaler_application_delivery_controller to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| citrix | netscaler_application_delivery_controller | >= 0, < 13.1-37.272 | Affected |
| citrix | netscaler_gateway | >= 13.1, < 13.1-63.18 | Affected |
Frequently Asked Questions
What is CVE-2026-8452?
CVE-2026-8452 is a critical-severity vulnerability affecting citrix netscaler_application_delivery_controller. It was published on June 30, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL). This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog, indicating active exploitation in the wild.
How severe is CVE-2026-8452?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2026-8452?
Check the references section for vendor advisories and patches from citrix. Update netscaler_application_delivery_controller to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2026-8452?
CyberStrike's AI-powered security agents can automatically detect CVE-2026-8452 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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