CVE-2026-10817
High
Description
Insufficient input validation leading to memory overread in NetScaler ADC and NetScaler Gateway if the TCP TimeStamp is enabled in TCP Profile and is associated with the virtual server (of type LB, CS, VPN) or the service configured on NetScaler
SeverityHigh
CVSS7.5
Exploit probability—
Product
Citrix Netscaler Application Delivery Controller
PublishedJun 30, 2026
First seenJun 30, 2026
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- citrix netscaler_application_delivery_controller13.1-37.272, 13.1-63.18, 14.1-72.61 or later
- citrix netscaler_gateway13.1-63.18, 14.1-72.61 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| citrix netscaler_application_delivery_controller | v < 13.1-37.272, 13.1 ≤ v < 13.1-63.18, 14.1 ≤ v < 14.1-72.61, 14.1-66.68 | 13.1-37.272, 13.1-63.18, 14.1-72.61 |
| citrix netscaler_gateway | 13.1 ≤ v < 13.1-63.18, 14.1 ≤ v < 14.1-72.61 | 13.1-63.18, 14.1-72.61 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.