CVE-2026-69443

Published: Sep 8, 2026Modified: Sep 23, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

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 (5)

Products: Microsoft: Windows 10 1809, Windows Server 2019, Windows Server 2022, Windows Server 2025

4 products

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Microsoft Windows 10 1809	version < 10.0.17763.9245
Microsoft Windows 10 1809	version < 10.0.17763.9245
Microsoft Windows Server 2019	version < 10.0.17763.9245
Microsoft Windows Server 2022	version < 10.0.20348.5622
Microsoft Windows Server 2025	version < 10.0.26100.33438

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69443

Source: secure@microsoft.com

PatchVendor Advisory

Timeline

No history available yet.