Microsoft Graph Information Disclosure Vulnerability

Summary

Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network. Published in June 2026 Security Updates. MSRC exploitability: Publicly Disclosed:No;Exploited:No;Latest Software Release:N/A.

Why it matters

Microsoft published this item through its Security Update Guide, making it part of Patch Tuesday triage for affected Windows, cloud, or application estates. EPSS percentile: 50%.

Operator check

Review the Microsoft Security Update Guide entry for CVE-2026-47655. Confirm whether Microsoft Graph is deployed, then apply the current security update or documented mitigation. CVSS score: 6.5. EPSS probability: 0.8%; percentile: 50%.

Sources