CVE-2026-107409NVD

Vulnerability Summary

Memory corruption in DNS-over-HTTPS (DoH) can lead to unpredictable or erroneous behavior or a Denial of Service. Pre-conditions: NetScaler is configured with DNS Load Balancing over HTTPS (DOH).

Severity Level

CRITICAL(9.3)

Published Date

Nov 12, 2026

Last Modified

Nov 12, 2026

Exploitation Status

No confirmed exploitation yet

CVE Record Status

Reserved

This CVE ID is referenced in a public advisory, but the CVE Program has not published its official CVE Record yet. Full CVSS/CPE data from NVD will appear here once it does.

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-415: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

CVSS v4.0 Base Metrics — Score 9.3 (CRITICAL)

Attack VectorNetwork

Attack ComplexityLow

Attack RequirementsNone

Privileges RequiredNone

User InteractionNone

Confidentiality (Vulnerable System)High

Integrity (Vulnerable System)High

Availability (Vulnerable System)High

Confidentiality (Subsequent System)None

Integrity (Subsequent System)None

Availability (Subsequent System)None

Affected & Patched Versions

Affected Versions

NetScaler ADC and NetScaler Gateway

Patched Versions

Not provided by NVD for this CVE.

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