CVE-2026-8452

CVE Enrichment

CVSS: 8.8 HIGH
EPSS: 1.01%
EPSS Percentile: 62.17%
CISA KEV: YES — Known Exploited Vulnerability

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

Technical Details

CVSS Version: 4.0
CNA / NVD Source: 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5
Published: 30-Jun-2026 20:19
Last Modified: 27-Aug-2026 11:18
EPSS Date: 2026-10-12
CWE: CWE-119

CVSS Vector


            CVSS:4.0                            AV:N /
                            AC:L /
                            AT:N /
                            PR:N /
                            UI:N /
                            VC:H /
                            VI:L /
                            VA:H /
                            SC:L /
                            SI:L /
                            SA:L /
                            E:X /
                            CR:X /
                            IR:X /
                            AR:X /
                            MAV:X /
                            MAC:X /
                            MAT:X /
                            MPR:X /
                            MUI:X /
                            MVC:X /
                            MVI:X /
                            MVA:X /
                            MSC:X /
                            MSI:X /
                            MSA:X /
                            S:X /
                            AU:X /
                            R:X /
                            V:X /
                            RE:X /
                            U:X

CISA KEV Details

Date Added: 2026-08-26
Remediation Due: 2026-08-29
Known Ransomware Campaign Use: Unknown
Required Action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
Notes: https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX696604 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-8452

Affected Products / Versions

citrix / netscaler_application_delivery_controller
Version / affected range: * · before (exclusive) 13.1-37.272
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*
citrix / netscaler_application_delivery_controller
Version / affected range: * · before (exclusive) 13.1-37.272
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*
citrix / netscaler_application_delivery_controller
Version / affected range: * · from (inclusive) 13.1 · before (exclusive) 13.1-63.18
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
citrix / netscaler_application_delivery_controller
Version / affected range: * · from (inclusive) 14.1 · before (exclusive) 14.1-72.61
cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*
citrix / netscaler_application_delivery_controller
Version / affected range: 14.1-66.68
cpe:2.3:a:citrix:netscaler_application_delivery_controller:14.1-66.68:*:*:*:fips:*:*:*
citrix / netscaler_gateway
Version / affected range: * · from (inclusive) 13.1 · before (exclusive) 13.1-63.18
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*
citrix / netscaler_gateway
Version / affected range: * · from (inclusive) 14.1 · before (exclusive) 14.1-72.61
cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*

References

Last enrichment sync: 12-Oct-2026 22:33
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (1)

CVE-2026-8452 Recorded Future Identifies 73 High-Impact Vulnerabilities in August, 70 Actively Exploited

CVE (71)

Malware (4)

Threat Actors (1)

Vendors (22)

Products (18)

Tools (7)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.