Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-88772
Citrix NetScaler ADC — Memory overflow vulnerability leading to Remote Code Execution or Denial of Service
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N H N N N H H H 9.5 .0130 69.4 YES
AFFECTED
Product Versions Fixed
ADC unspecified —
Gateway unspecified —
TIMELINE
Sep 10 Reserved by NetScaler
Sep 27 ADDED TO KEV — CVE-2026-88772 (Citrix NetScaler ADC). Remediation due September 30, 2026.
Sep 27 Published (CNA: NetScaler)
Oct 1 DUE DATE PASSED — CVE-2026-88772 (Citrix NetScaler ADC). CISA remediation deadline was September 30, 2026; still in catalog.
Description
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
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
| September 10, 2026 | Reserved | Reserved by NetScaler |
| September 27, 2026 | KEV ADDED | ADDED TO KEV — CVE-2026-88772 (Citrix NetScaler ADC). Remediation due September 30, 2026. |
| September 27, 2026 | Published | Published (CNA: NetScaler) |
| October 1, 2026 | DUE DATE PASSED | DUE DATE PASSED — CVE-2026-88772 (Citrix NetScaler ADC). CISA remediation deadline was September 30, 2026; still in catalog. |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-88772 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.