CVE-2026-8452
What it is
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
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2026-08-26 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- Last updatedMost recent change to the record
- 2026-08-29 Remediation deadlineCISA's due date for federal agencies to fix it
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 1.0% in the next 30 days (EPSS).
- Severity: 8.8 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2026-08-26
- Exploit probability
- 1.0% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Analyzed
Affected
- Citrix Netscaler Application Delivery Controller < 13.1-37.272
- Citrix Netscaler Application Delivery Controller < 13.1-63.18
- Citrix Netscaler Application Delivery Controller < 14.1-72.61
- Citrix Netscaler Application Delivery Controller 14.1-66.68
- Citrix Netscaler Gateway < 13.1-63.18
- Citrix Netscaler Gateway < 14.1-72.61
Attack profile CVSS 4.0 · 8.8
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- High
- Integrity
- Low
- Availability
- High
Raw 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/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
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-8452.md and follow it. Check whether this project is affected by CVE-2026-8452. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
