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CVE-2026-63509— Microsoft Fabric Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Microsoft Fabric
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 Fabric是美国Microsoft公司的一个统一的数据分析平台。 Microsoft Fabric存在路径遍历漏洞，该漏洞源于相对路径遍历，可能导致授权攻击者通过网络提升权限。

CVSS 9.9 · Critical EPSS 1.02% · P62

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Microsoft Fabric - affected
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I. Basic Information for CVE-2026-63509

Vulnerability Information
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Vulnerability Title
Microsoft Fabric Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Relative path traversal in Microsoft Fabric allows an authorized attacker to elevate privileges over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
相对路径遍历
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Fabric 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Fabric是美国Microsoft公司的一个统一的数据分析平台。 Microsoft Fabric存在路径遍历漏洞，该漏洞源于相对路径遍历，可能导致授权攻击者通过网络提升权限。
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 Fabric - -

II. Public POCs for CVE-2026-63509

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III. Intelligence Information for CVE-2026-63509

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Vendor Advisories for CVE-2026-63509 (1)

Same Patch Batch · Microsoft · 2026-08-20 · 21 CVEs total

CVE-2026-69555 10.0 CRITICAL Azure Arc Elevation of Privilege Vulnerability
CVE-2026-65801 10.0 CRITICAL Microsoft Exchange Online Elevation of Privilege Vulnerability
CVE-2026-65816 10.0 CRITICAL Azure Arc Elevation of Privilege Vulnerability
CVE-2026-69836 10.0 CRITICAL Microsoft Entra ID Remote Code Execution Vulnerability
CVE-2026-65770 10.0 CRITICAL Azure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability
CVE-2026-68789 9.9 CRITICAL Azure SQL Database Elevation of Privilege Vulnerability
CVE-2026-68782 9.9 CRITICAL Azure SQL Database Elevation of Privilege Vulnerability
CVE-2026-69851 9.9 CRITICAL Microsoft Entra ID Elevation of Privilege Vulnerability
CVE-2026-69400 9.6 CRITICAL Azure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-62834 9.3 CRITICAL Azure Data Factory Elevation of Privilege Vulnerability
CVE-2026-66309 9.1 CRITICAL Azure SQL Database Elevation of Privilege Vulnerability
CVE-2026-66800 8.6 HIGH Azure Data Factory Information Disclosure Vulnerability
CVE-2026-69519 8.6 HIGH Azure Stack HCI Information Disclosure Vulnerability
CVE-2026-69558 8.6 HIGH Microsoft Partner Center Information Disclosure Vulnerability
CVE-2026-69419 8.5 HIGH Azure Data Manager for Energy Remote Code Execution Vulnerability
CVE-2026-69543 8.5 HIGH Azure Virtual Machines Elevation of Privilege Vulnerability
CVE-2026-69855 7.7 HIGH Microsoft Copilot in Azure Information Disclosure Vulnerability
CVE-2026-55013 7.1 HIGH Windows Remote Help Defense Spoofing Vulnerability
CVE-2026-70105 6.5 MEDIUM Microsoft Word Information Disclosure Vulnerability
CVE-2026-55015 5.5 MEDIUM Microsoft Remote Help Denial of Service Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Fabric
Same vendor: Microsoft
Same weakness: CWE-23

V. Comments for CVE-2026-63509

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