CVE-2025-7776

8.8 highEPSS 9.1%

Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it

Severity

CVSS 4.0

8.8 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:L

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 9.1% chance of exploitation in the next 30 days; higher than 95% of CVEs (scores of 2026-10-31)
CWE: CWE-119
Published: 2025-08-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

citrix:netscaler_application_delivery_controller
citrix:netscaler_gateway

References

https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938

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