Summary
generated automatically from NVD dataCVE-2026-88779 affects Citrix NetScaler ADC (including FIPS builds) and NetScaler Gateway, in releases before 14.1-73.41 and 13.1-64.28 (and before 13.1-37.282 for ADC). The flaw is a memory buffer error (CWE-119) that can be reached over the network without authentication or user interaction, and its impact is on availability. It is rated 7.5 (HIGH, CVSS v3.1), and CISA's KEV catalog lists it as actively exploited.
NVD 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.
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-10-04. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-10-07
EPSS · FIRST.org
0.59%probability of exploitation in the next 30 days
Higher than 47% 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
Information
- Published
- 4 oct. 2026
- Updated
- 5 oct. 2026
- Status
- Analyzed
- Source
- 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5
Affected products
Weaknesses (CWE)
References (3)
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-88779US Government Resource
Similar CVEs
Other vulnerabilities of type CWE-119
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