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CVE-2026-88775

CRITICAL
9.8NVD

Summary

generated automatically from NVD data

CVE-2026-88775 is a memory overflow flaw (CWE-120, a classic buffer copy issue) in Citrix NetScaler ADC and NetScaler Gateway. It can lead to unpredictable or erroneous behavior or a Denial of Service. The NVD description lists affected releases as those before 14.1-73.37 and 13.1-64.23, plus FIPS and NDcPP builds before 13.1.37.279 for ADC. It is rated CVSS 9.8 (CRITICAL), reachable over the network without authentication or user interaction.

NVD description

Memory overflow 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 Memory overflow vulnerability leading to unpredictable or erroneous behavior or Denial of Service

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EPSS · FIRST.org

0.38%probability of exploitation in the next 30 days

Higher than 30% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.

In-depth analysis on cveo.tech

We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.

CVSS v3.1 Score

9.8
/ 10.0
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Information

Published
27 sept. 2026
Updated
29 sept. 2026
Status
Modified
Source
50a63c94-1ea7-4568-8c11-eb79e7c5a2b5

Affected products

citrix netscaler application delivery controller
Versions : 13.1-64.23, 13.1.37.279, 14.1-73.37
citrix netscaler gateway
Versions : 13.1-64.23, 14.1-73.37

Weaknesses (CWE)

CWE-120CWE-120

Similar CVEs

Other vulnerabilities of type CWE-120

…

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