CVE-2026-88779

HIGHCVSS 7.5/10Actively ExploitedEPSS 0.28%

Last modified

CVE-2026-88779 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.. CISA has confirmed active exploitation in the wild. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.

Metrics

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .

Weakness Enumeration

Affected Software

VendorProductVersions
CitrixNetscaler Application Delivery Controller>= 13.1, < 13.1-37.282
CitrixNetscaler Application Delivery Controller>= 13.1, < 13.1-64.28
CitrixNetscaler Application Delivery Controller>= 14.1, < 14.1-73.41
CitrixNetscaler Application Delivery Controller>= 14.1-66.68, <= 14.1-73.41
CitrixNetscaler Gateway>= 13.1, < 13.1-64.28
CitrixNetscaler Gateway>= 14.1, < 14.1-73.41

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-88779?
Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: before 14.1-73.41, before 13.1-64.28, before 14.1-73.41 FIPS, and before 13.1-37.282; Gateway: before 14.1-73.41 and before 13.1-64.28.
How severe is CVE-2026-88779?
CVE-2026-88779 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2026-88779?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST