UNKNOWN CISA KEV Actively Exploited

CVE-2026-88779

Memory overflow vulnerability leading to Denial of Service

CVSS v3

—

Unknown

EPSS Score

0.3 %

exploit probability, as of 2026-10-04

CISA KEV

Yes

known exploited

Exploitation

active

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added: 2026-10-04
Patch Due Date: 2026-10-07
Ransomware Use: Unknown

Technical details

Published: 2026-10-04
Last Modified: 2026-10-04

Frequently asked questions

What is CVE-2026-88779?

Is CVE-2026-88779 actively exploited?

Yes. CVE-2026-88779 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-10-07.

What is the CVSS score for CVE-2026-88779?

A CVSS score has not been assigned to CVE-2026-88779 yet.

Is CVE-2026-88779 affecting your environment?

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