High · 7.5 CVE-2026-69443 EUVD-2026-73133GHSA-m98g-6wgm-9688

Windows Device Health Attestation (DHA) Information Disclosure Vulnerability

Published Sep 8, 2026 · Updated Nov 10, 2026 · Assigned by microsoft

Vendor: Microsoft Product: Windows 10 Version 1809 Product: Windows Server 2019 Product: Windows Server 2019 (Server Core installation) Product: Windows Server 2022 Product: Windows Server 2025 Product: Windows Server 2025 (Server Core installation) Platform: Windows

Description

Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose information over a network.

Affected products

Vendor	Product	Affected	Fixed
Microsoft	Windows 10 Version 1809	10.0.17763.0 – < 10.0.17763.9245	10.0.17763.9245
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.9245	10.0.17763.9245
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.9245	10.0.17763.9245
Microsoft	Windows Server 2022	10.0.20348.0 – < 10.0.20348.5622	10.0.20348.5622
Microsoft	Windows Server 2025	10.0.26100.0 – < 10.0.26100.33438	10.0.26100.33438
Microsoft	Windows Server 2025 (Server Core installation)	10.0.26100.0 – < 10.0.26100.33438	10.0.26100.33438

Advisories 2

WID-SEC-2026-3243 Microsoft Windows: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 4, 2026
MSRC-CVE-2026-69443 Windows Device Health Attestation (DHA) Information Disclosure Vulnerability Microsoft Security Response Center · Sep 8, 2026

References

Windows Device Health Attestation (DHA) Information Disclosure Vulnerability vendor-advisory patch