Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-8452

CVE-2026-8452HIGH

NetScaler ADC — Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   H   L   H    8.8   .0101   61.9   YES

AFFECTED
  Product  Versions  Fixed
  ADC      14.1 –    —
  Gateway  14.1 –    —

TIMELINE
  May 13  Reserved by NetScaler
  Jun 30  Published (CNA: NetScaler)
  Aug 26  ADDED TO KEV — CVE-2026-8452 (NetScaler ADC). Remediation due August 29, 2026.
  Aug 30  DUE DATE PASSED — CVE-2026-8452 (NetScaler ADC). CISA remediation deadline was August 29, 2026; still in catalog.

CWE-119 · CNA: NetScaler · CVSS v4.0 · 2 references · NVD status: Analyzed · KEV due August 29, 2026

Description

Memory overflow vulnerability NetScaler ADC and NetScaler Gateway leading to unpredictable or erroneous behavior and Denial of Service if the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
May 13, 2026	Reserved	Reserved by NetScaler
June 30, 2026	Published	Published (CNA: NetScaler)
August 26, 2026	KEV ADDED	ADDED TO KEV — CVE-2026-8452 (NetScaler ADC). Remediation due August 29, 2026.
August 30, 2026	DUE DATE PASSED	DUE DATE PASSED — CVE-2026-8452 (NetScaler ADC). CISA remediation deadline was August 29, 2026; still in catalog.

Affected

Affected products and packages — 2 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
NetScaler	ADC	—	14.1	—
NetScaler	Gateway	—	14.1	—

Weaknesses

CWE-119

References (2)

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604 [Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-8452 [US Government Resource]

Authoritative record: CVE-2026-8452 at cve.org

Vendors: netscaler

Weaknesses: CWE-119

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-8452 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 Sunday, October 4, 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.