---
title: "CVE-2026-88772: Citrix NetScaler ADC & Gateway - Remote Code Execution & Denial of Service"
description: "Citrix NetScaler ADC and Gateway before 14.1-73.37 and 13.1-64.23 contain a remote code execution or denial of service vulnerability, letting remote attackers execute code or cause service disruption, exploit requires network access."
url: https://panop.io/threat-heartbeat/CVE-2026-88772/
---

# CVE-2026-88772 Citrix NetScaler ADC & Gateway - Remote Code Execution & Denial of Service

Citrix NetScaler ADC and Gateway before 14.1-73.37 and 13.1-64.23 contain a remote code execution or denial of service vulnerability, letting remote attackers execute code or cause service disruption, exploit requires network access.

CVSS base score 8.1 /10

High

CISA KEV

Exploited in the wild

Public exploit

Proof of concept available

Authentication

Not required

EPSS

1.30% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-88772)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution, Denial Of Service

CVSS vector

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

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-119](https://cwe.mitre.org/data/definitions/119.html)

## Vendor fix

Upgrade to versions 14.1-73.37, 13.1-64.23 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-88772](https://nvd.nist.gov/vuln/detail/CVE-2026-88772)
- [https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field\_cve=CVE-2026-88772](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88772)
- [https://watchtowr.com/intelligence/post-exploitation-analysis-artifacts-citrix-netscaler-cve-2026-88771/](https://watchtowr.com/intelligence/post-exploitation-analysis-artifacts-citrix-netscaler-cve-2026-88771/)
- [https://cloud.google.com/blog/topics/threat-intelligence/defending-against-active-exploitation-of-citrix-netscaler-adc-and-gateway-appliances/](https://cloud.google.com/blog/topics/threat-intelligence/defending-against-active-exploitation-of-citrix-netscaler-adc-and-gateway-appliances/)
- [https://labs.watchtowr.com/oh-look-the-foot-gun-went-off-again-citrix-netscaler-preauth-command-injection-cve-2026-88771/](https://labs.watchtowr.com/oh-look-the-foot-gun-went-off-again-citrix-netscaler-preauth-command-injection-cve-2026-88771/)
- [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](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)
- [https://binarydefense.com/resources/blog/platypwned-when-a-citrix-0-day-lays-an-egg](https://binarydefense.com/resources/blog/platypwned-when-a-citrix-0-day-lays-an-egg)
- [https://www.recordedfuture.com/blog/september-2026-cve-landscape](https://www.recordedfuture.com/blog/september-2026-cve-landscape)
- [https://asec.ahnlab.com/en/95733/](https://asec.ahnlab.com/en/95733/)
- [https://www.rapid7.com/blog/post/etr-zero-day-exploitation-of-citrix-netscaler-adc-and-gateway-cve-2026-88771-and-cve-2026-88772/](https://www.rapid7.com/blog/post/etr-zero-day-exploitation-of-citrix-netscaler-adc-and-gateway-cve-2026-88771-and-cve-2026-88772/)
- [https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096](https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697096)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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