CVE-2026-88779

Analyzed Analyzed - Analysis Complete

Remote Code Execution in NetScaler ADC and Gateway

Publication date: 2026-10-04

Last updated on: 2026-10-05

Assigner: NetScaler

Description

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-10-04

Last Modified

2026-10-05

Generated

2026-10-19

AI Q&A

2026-10-04

EPSS Evaluated

2026-10-18

NVD

CVE-2026-88779

EUVD

EUVD-2026-92065

Affected Vendors & Products

Vendor	Product	Version / Range
citrix	netscaler_application_delivery_controller	From 13.1 (inc) to 13.1-64.28 (exc)
citrix	netscaler_application_delivery_controller	From 14.1 (inc) to 14.1-73.41 (exc)
citrix	netscaler_application_delivery_controller	From 13.1 (inc) to 13.1-37.282 (exc)
citrix	netscaler_application_delivery_controller	From 14.1-66.68 (inc) to 14.1-73.41 (inc)
citrix	netscaler_application_delivery_controller	From 13.1 (inc) to 13.1-37.282 (exc)
citrix	netscaler_gateway	From 13.1 (inc) to 13.1-64.28 (exc)
citrix	netscaler_gateway	From 14.1 (inc) to 14.1-73.41 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-119	The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

Attack-Flow Graph

Executive Summary

This vulnerability affects Citrix NetScaler ADC and NetScaler Gateway. It allows remote attackers to execute arbitrary code or cause a denial of service due to improper input validation. Affected versions include ADC before 14.1-73.41, 13.1-64.28, 14.1-73.41 FIPS, and 13.1-37.282; Gateway before 14.1-73.41 and 13.1-64.28.

Detection Guidance

To detect this vulnerability, check the version of your NetScaler ADC or Gateway. If the version is before 14.1-73.41, 13.1-64.28, 14.1-73.41 FIPS, or 13.1-37.282, the system is vulnerable. Use commands like 'show version' on NetScaler CLI or check the web interface under System Information.

Impact Analysis

An attacker could exploit this to gain control of the system, steal sensitive data, or disrupt services. Since the CVSS score is 8.7 (High severity), the impact is significant. Unpatched systems are at high risk of compromise.

Compliance Impact

The provided CVE data does not specify direct impacts on compliance with GDPR, HIPAA, or other standards. The vulnerability affects NetScaler ADC and Gateway products, which may process sensitive data, but no compliance implications are detailed in the given context.

Mitigation Strategies

Update NetScaler ADC and NetScaler Gateway to versions 14.1-73.41 or later, 13.1-64.28 or later, 14.1-73.41 FIPS or later, and 13.1-37.282 or later to address the vulnerability.

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