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CVE-2026-88772 Details

Description

Vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 FIPS, and before 13.1.37.279 FIPS and NDcPP; Gateway: before 14.1-73.37 and before 13.1-64.23 leading to Remote Code Execution or Denial of Service

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88772	CISA-ADP	US Government Resource
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096&articleTitle=Citrix_NetScaler_ADC_and_Citrix_NetScaler_Gateway_Security_Bulletin_for_CVE_2026_88771_CVE_2026_88772_CVE_2026_88773_CVE_2026_88774_CVE_2026_88775_CVE_2026_88776_CVE_2026_88777_and_CVE_2026_88778	NetScaler	Vendor Advisory

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name	Date Added	Due Date	Required Action
Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability	Sep 27, 2026	Sep 30, 2026	Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	CISA-ADP

Affected Products

Product	Versions
citrix netscaler application delivery controller	>= 13.1, < 13.1-64.23 >= 13.1, < 13.1.37.279 >= 14.1, < 14.1-73.37 >= 14.1-66.68, <= 14.1-73.37
CPE cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::-:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::fips:::* cpe:2.3:a:citrix:netscaler_application_delivery_controller:::::ndcpp:::* Remediation No remediation found in references.
citrix netscaler gateway	>= 13.1, < 13.1-64.23 >= 14.1, < 14.1-73.37
CPE cpe:2.3:a:citrix:netscaler_gateway:::::::: Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Sep 28, 2026	Initial Analysis	[email protected]
Sep 28, 2026	CVE Translated	[email protected]
Sep 28, 2026	CVE Modified	CISA-ADP
Sep 27, 2026	CVE Modified	CISA-ADP
Sep 27, 2026	CVE CISA KEV Update	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
Sep 27, 2026	CVE Modified	CISA-ADP
Sep 27, 2026	New CVE Received	NetScaler