CVE-2026-8452: Vulnerability in NetScaler ADC
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
AI Analysis
Technical Summary
This vulnerability is a memory overflow issue in NetScaler ADC and NetScaler Gateway products that impacts devices configured as Gateways or AAA virtual servers. Exploitation can result in unpredictable or erroneous behavior and Denial of Service. The CVSS 4.0 base score is 8.8, indicating high severity with network attack vector, no privileges or user interaction required, and high impact on confidentiality and availability. The affected versions are 13.1 and 14.1. No vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation can cause Denial of Service and unpredictable or erroneous behavior on affected NetScaler ADC and Gateway appliances configured as Gateways or AAA virtual servers. This can disrupt network access and services relying on these appliances, potentially impacting availability and operational continuity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting exposure of affected appliances to untrusted networks and monitor for unusual behavior. Do not assume mitigation without vendor confirmation.
CVE-2026-8452: Vulnerability in NetScaler ADC
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
CVSS v4.0
Score 8.8high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is a memory overflow issue in NetScaler ADC and NetScaler Gateway products that impacts devices configured as Gateways or AAA virtual servers. Exploitation can result in unpredictable or erroneous behavior and Denial of Service. The CVSS 4.0 base score is 8.8, indicating high severity with network attack vector, no privileges or user interaction required, and high impact on confidentiality and availability. The affected versions are 13.1 and 14.1. No vendor advisory or patch information is currently provided.
Potential Impact
Successful exploitation can cause Denial of Service and unpredictable or erroneous behavior on affected NetScaler ADC and Gateway appliances configured as Gateways or AAA virtual servers. This can disrupt network access and services relying on these appliances, potentially impacting availability and operational continuity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider limiting exposure of affected appliances to untrusted networks and monitor for unusual behavior. Do not assume mitigation without vendor confirmation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- NetScaler
- Date Reserved
- 2026-05-13T00:35:55.317Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a43c34a27e9c79719d5be29
Added to database: 06/30/2026, 13:23:22 UTC
Last enriched: 06/30/2026, 13:36:26 UTC
Last updated: 08/14/2026, 07:25:15 UTC
Views: 222
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