CVE-2026-107406CWE-119

CVE-2026-107406

published October 9, 2026

CVSS
9.5
EPSS
0%
Percentile
39.9
In the wild
Unconfirmed
What it is

Memory overflow vulnerability leading to Remote Code Execution or Denial of Service Vulnerability in NetScaler ADC.

NetScaler ADC or NetScaler Gateway must be configured as a SAML SP or SAML IdP, subject to the following version-specific requirements:

* For the following versions: Applicable only when configured as a SAML IdP:

* NetScaler ADC and NetScaler Gateway between 14.1-73.37 and 14.1-73.41, inclusive

* NetScaler ADC 14.1-FIPS between 14.1-73.37 FIPS and 14.1-73.41 FIPS, inclusive

* NetScaler ADC and NetScaler Gateway between 13.1-64.23 and 13.1-64.28, inclusive

* NetScaler ADC 13.1-FIPS between 13.1-NDcPP 13.1-37.279 and 13.1- 37.282, inclusive

For the following versions: Applicable only when configured as a SAML SP or SAML IdP:

* NetScaler ADC and NetScaler Gateway before 14.1-73.37

* NetScaler ADC 14.1-FIPS before 14.1-73.37 FIPS

* NetScaler ADC and NetScaler Gateway before 13.1-64.23

* NetScaler ADC 13.1-FIPS before13.1-NDcPP 13.1-37.279

The record
Technical detail
CVSS
9.5 · NONE
CVSS v4.0
9.5 · CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
EPSS
0.00471 · 39.9th percentile
Weakness
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer
Published
2026-10-09T02:17Z
References (2)
https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX697191 · 50a63c94-1ea7-4568-8c11-eb79e7c5a2b5https://community.citrix.com/techzone-blogs/110_security-updates/protecting-customers-immediate-guidance-for-cve-2026-107406-in-netscaler-adc-and-netscaler-gateway-r1631/ · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 10 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 08 OCT 21:18Z
    Memory overflow vulnerability leading to Remote Code Execution or Denial of Service
    cvelistv5
  • 08 OCT 21:18Z
    Memory overflow vulnerability leading to Remote Code Execution or Denial of Service
    cvelistv5