Memory Overflow Vulnerability in Citrix NetScaler ADC and Gateway
CVE-2026-88776

8.8HIGH

Key Information:

Vendor

Citrix Netscaler

Status
Adc
Gateway
Vendor
CVE Published:
27 September 2026

What is CVE-2026-88776?

This vulnerability in the Citrix NetScaler ADC and Gateway can lead to unpredictable behavior, such as erroneous processing and potential Denial of Service, impacting the performance and availability of services. Affected versions include multiple iterations of NetScaler ADC and Gateway, emphasizing the need for timely updates to safeguard against exploitation.

Affected Version(s)

ADC 0 < 14.1-73.37

ADC 0 < 13.1-64.23

ADC 0 < 14.1-73.37 FIPS

References

https://support.citrix.com/support-home/kbsearch/article?...

CVSS V4

Score:
8.8
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.