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CVE-2026-49159— 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Microsoft公司的一种图形数据管理服务。 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参与者，可能导致授权攻击者通过网络披露信息。

CVSS 6.5 · Medium EPSS 1.00% · P61

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft Graph - affected
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I. Basic Information for CVE-2026-49159

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Microsoft公司的一种图形数据管理服务。 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参与者，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-2026-49159

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III. Intelligence Information for CVE-2026-49159

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Vendor Advisories for CVE-2026-49159 (1)

Same Patch Batch · Microsoft · 2026-07-24 · 10 CVEs total

CVE-2026-56163 10.0 CRITICAL Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
CVE-2026-58630 10.0 CRITICAL Azure App Service on Azure Stack Hub Elevation of Privilege Vulnerability
CVE-2026-57106 10.0 CRITICAL Data Quality Elevation of Privilege Vulnerability
CVE-2026-58275 10.0 CRITICAL Azure DNS Elevation of Privilege Vulnerability
CVE-2026-62825 10.0 CRITICAL Azure Key Vault Elevation of Privilege Vulnerability
CVE-2026-56191 10.0 CRITICAL Microsoft Exchange Online Tampering Vulnerability
CVE-2026-50517 9.9 CRITICAL Microsoft M365 Copilot Remote Code Execution Vulnerability
CVE-2026-62835 9.3 CRITICAL Azure Portal Information Disclosure Vulnerability
CVE-2026-35425 8.0 HIGH Azure API Management (APIM) Remote Code Execution Vulnerability

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-49159

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