CVE-2026-69577

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Out-of-Bounds Read in Microsoft Azure Attestation Service

Publication date: 2026-10-13

Last updated on: 2026-10-13

Assigner: Microsoft Corporation

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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-10-13

Last Modified

2026-10-13

Generated

2026-10-14

AI Q&A

2026-10-14

EPSS Evaluated

N/A

NVD

CVE-2026-69577

EUVD

EUVD-2026-99893

Affected Vendors & Products

Vendor	Product	Version / Range
Microsoft	Windows	Server 2019 10.0.17763.0
Microsoft	Windows	Server 2019 (Server Core installation) 10.0.17763.0
Microsoft	Windows	Server 2022 10.0.20348.0
Microsoft	Windows	Server 2025 10.0.26100.0
Microsoft	Windows	Server 2025 (Server Core installation) 10.0.26100.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability is an out-of-bounds read flaw in Microsoft Azure Attestation service and Device Health Attestation Service. It allows an unauthorized attacker to access and disclose information over a network without needing special privileges or user interaction.

Impact Analysis

An attacker could exploit this to read sensitive data from memory, potentially exposing confidential information. This may lead to data breaches, unauthorized access to system details, or further attacks on affected systems.

Mitigation Strategies

Apply the latest security updates from Microsoft for Azure Attestation and Device Health Attestation services. Monitor Microsoft's security advisories for patches and follow their recommended mitigation steps.

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