Answer in brief
CVE-2026-88772 records a Critical severity (CVSS 9.5) vulnerability in Memory overflow vulnerability leading to Remote Code Execution or Denial of Service. The current sources do not mark it as known exploited. The current feed maps Citrix NetScaler/ADC (generic), Citrix NetScaler/Gateway (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 9.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Citrix NetScaler/ADC (generic), Citrix NetScaler/Gateway (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Citrix NetScaler/ADCgeneric | >=0 <14.1-73.37 || >=0 <13.1-64.23 || >=0 <14.1-73.37 FIPS || >=0 <13.1.37.279 FIPS and NDcPP | 14.1-73.37, 13.1-64.23, 14.1-73.37 FIPS, 13.1.37.279 FIPS and NDcPP, 13.1.37.279 |
| Citrix NetScaler/Gatewaygeneric | >=0 <14.1-73.37 || >=0 <13.1-64.23 | 14.1-73.37, 13.1-64.23 |
Published upstream
Sep 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 27, 2026
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
Quoted source text, attributed separately from HOL analysis.