CVE-2026-66802 Windows Device Health Attestation (DHA) Remote Code Execution Vulnerability

Corrected the Executive Summary to clarify that the vulnerability affects Windows Device Health Attestation (DHA), not Microsoft Azure Attestation. This is an informational change only.

Why it matters

The weakness can enable direct compromise with limited attacker prerequisites, making internet-facing assets the first place to look.

What defenders should do

Identify affected versions, prioritize internet-facing systems, and apply the vendor remediation.

Verify at the source

CyberKit curates and prioritizes; the source remains authoritative. Read the original advisory at msrc.microsoft.com →