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CVE-2026-47655— Microsoft Graph Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Microsoft Graph
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Graph是美国微软（Microsoft）公司的一个统一API平台。 Microsoft Graph存在信息泄露漏洞，该漏洞源于敏感信息暴露给未授权行为者，可能导致授权攻击者通过网络披露信息。

CVSS 6.5 · Medium EPSS 1.00% · P62

Possible ATT&CK Techniques 1 AI

T1115 · Clipboard Data

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft Graph - affected
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I. Basic Information for CVE-2026-47655

Vulnerability Information
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Vulnerability Title
Microsoft Graph Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Graph 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Graph是美国微软（Microsoft）公司的一个统一API平台。 Microsoft Graph存在信息泄露漏洞，该漏洞源于敏感信息暴露给未授权行为者，可能导致授权攻击者通过网络披露信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Microsoft Graph - -

II. Public POCs for CVE-2026-47655

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III. Intelligence Information for CVE-2026-47655

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Vendor Advisories for CVE-2026-47655 (1)

Same Patch Batch · Microsoft · 2026-06-04 · 6 CVEs total

CVE-2026-48567 10.0 CRITICAL Azure HorizonDB Elevation of Privilege Vulnerability
CVE-2026-48579 9.1 CRITICAL Microsoft Exchange Online Information Disclosure Vulnerability
CVE-2026-45497 7.7 HIGH Microsoft M365 Copilot Remote Code Execution Vulnerability
CVE-2026-47644 6.5 MEDIUM Copilot Chat (Microsoft Edge) Information Disclosure Vulnerability
CVE-2026-42824 6.5 MEDIUM M365 Copilot Information Disclosure Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Graph
Same vendor: Microsoft
Same weakness: CWE-200

V. Comments for CVE-2026-47655

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