CVE-2026-8452 — CRITICAL (9.8)

Q: How severe is CVE-2026-8452?

CVE-2026-8452 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-8452?

Check the references section above for vendor advisories and patch information. Affected products include: Citrix Netscaler Application Delivery Controller, Citrix Netscaler Gateway.

Vulnerability 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

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Citrix	Netscaler Application Delivery Controller	< 13.1-37.272
Citrix	Netscaler Gateway	>= 13.1, < 13.1-63.18

Related Weaknesses (CWE)

CWE-119

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604Vendor Advisory

FAQ

What is CVE-2026-8452?

CVE-2026-8452 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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, ...

How severe is CVE-2026-8452?

CVE-2026-8452 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-8452?

Check the references section above for vendor advisories and patch information. Affected products include: Citrix Netscaler Application Delivery Controller, Citrix Netscaler Gateway.