Summary
generated automatically from NVD dataCVE-2026-8452 is a memory overflow flaw (CWE-119) in Citrix NetScaler ADC and NetScaler Gateway. It can cause unpredictable or erroneous behavior and a Denial of Service when the appliance is configured as a Gateway (SSL VPN, ICA Proxy, CVPN, RDP Proxy) or as an AAA virtual server. It is rated CRITICAL with a CVSS v3.1 score of 9.8, and CISA lists it in its KEV catalog, which confirms active exploitation.
NVD 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
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-08-26. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-08-29
EPSS · FIRST.org
1.0%probability of exploitation in the next 30 days
Higher than 62% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-19, recomputed daily by FIRST.org.
CVSS v3.1 Score
Information
- Published
- 30 juin 2026
- Updated
- 27 août 2026
- Status
- Analyzed
- Source
- 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5
Affected products
Weaknesses (CWE)
References (2)
Similar CVEs
Other vulnerabilities of type CWE-119
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