Vulnerability Intelligence Report
Memory overflow vulnerability leading to Remote Code Execution or Denial of Service
CVE-2026-88772
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
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
9.5
CRITICAL
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-119 ↗CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Citrix NetScaler | ADC | 0 < 14.1-73.37 (affected), 0 < 13.1-64.23 (affected), 0 < 14.1-73.37 FIPS (affected), 0 < 13.1.37.279 FIPS and NDcPP (affected) |
| Citrix NetScaler | Gateway | 0 < 14.1-73.37 (affected), 0 < 13.1-64.23 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | NetScaler · Vendor · USA |
| Reserved | 2026-09-10T07:14:57 |
| Published | 2026-09-27T16:09:56 |
| Last Updated | 2026-09-27T22:58:23 |
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