Buffer overflow in Netscaler Adc

CVE-2026-19489

Vulnerability in NetScaler ADC and NetScaler Gateway. This issue affects ADC: from 14.1 through 73.32 and from 13.1 through 63.21; Gateway: from 14.1 through 73.32 and from 13.1 through 63.21.

Vulnerability class: Buffer Overflow

Published · last modified .

EPSS exploit prediction

EPSS: 0.032 (87.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-19489: rose from 0.004 to 0.032.

EPSS over last 30 days · oldest: 0.004 · newest: 0.032 · change: +0.028

Affected products

Weakness classification (CWE)

References