CVE-2026-10817 — HIGH (7.5)

Q: How severe is CVE-2026-10817?

CVE-2026-10817 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-10817?

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

Vulnerability 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

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

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-125

References

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

FAQ

What is CVE-2026-10817?

CVE-2026-10817 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2026-10817?

CVE-2026-10817 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-10817?

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