What is CVE-2026-49159?

CVE-2026-49159 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Microsoft Graph Information Disclosure Vulnerability

Which CVE IDs does CVE-2026-49159 cover?

CVE-2026-49159 covers the following CVE IDs: CVE-2026-49159. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-49159?

CVE-2026-49159 has a CVSS v3 base score of 6.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-49159?

CVE-2026-49159 affects 1 product, including: Microsoft Graph.

CVE-2026-49159CriticalCVSS 6.5

Microsoft Graph Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

July 23, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-49159 →

📋 Description

Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network.

🎯 Affected products1

Microsoft Graph

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49159