type: cve · created: 2026-08-27 · updated: 2026-08-27 · tags: [cve, kev, netscaler, network-edge] · confidence: high · severity: critical · affected_sectors: [technology, government, finance, healthcare] · au_impact: true
CVE-2026-8452 — Citrix NetScaler ADC / Gateway Memory Buffer Overflow
CVE-2026-8452 is a memory-buffer bounds flaw in Citrix NetScaler ADC and NetScaler Gateway, added to the KEV Catalog on 2026-08-26 based on active exploitation. NetScaler appliances sit at the network edge as load balancers and VPN gateways, making a memory flaw there a high-value initial-access vector.
Type: Memory-buffer flaw | Exploitation: Active (KEV) | Mitigation: apply Citrix patch; review appliance exposure