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CVE-2026-107406

No known exploitation. EPSS puts it in the 39th percentile. Fixed versions are out.

CVSS —Not scoredEPSS percentile39th0.5% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix2 products4 fixed builds listed below

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • NetScaler ADCAffected: < 14.1-73.46Upgrade to: 14.1-73.46Affected: < 13.1-64.29Upgrade to: 13.1-64.29Affected: < 14.1-73.46 FIPSUpgrade to: 14.1-73.46 FIPSAffected: < 13.1.37.283 FIPSUpgrade to: 13.1.37.283 FIPSStated by: CVE record
  • NetScaler GatewayAffected: < 14.1-73.46Upgrade to: 14.1-73.46Affected: < 13.1-64.29Upgrade to: 13.1-64.29Stated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

Coverage timeline

3 publishers

  1. Citrix released patches for CVE-2026-107406, a critical memory overflow vulnerability in NetScaler ADC and Gateway that could enable remote code execution or denial-of-service in SAML configurations.

    ·BleepingComputer summary

Sourced from public security reporting — each date is when it was published, not when it happened.

What it is

From the CVE record

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

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS39th
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.5% chance of exploitation activity in the next 30 days, which ranks it in the 39th percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

7 events over 2 days, from the signal feeds we watch.

  1. Record updated
  2. Record updatedrecord updated
  3. Publishedweakness classified, att&ck mapped, record updated

Affected products

Technical detail

Weaknesses

ATT&CK techniques

Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.

Sources

References in the record

In the news

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