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CVE-2026-65801— Microsoft Exchange Online Elevation of Privilege Vulnerability

CVSS 10.0 · Critical EPSS 0.52% · P42

Affected Version Matrix 1

VendorProductVersion RangeStatus
MicrosoftMicrosoft Exchange Online-affected
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I. Basic Information for CVE-2026-65801

Vulnerability Information
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Vulnerability Title
Microsoft Exchange Online Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Server-side request forgery (ssrf) in Microsoft Exchange Online allows an unauthorized attacker to elevate privileges over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft Exchange Online - -

II. Public POCs for CVE-2026-65801

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III. Intelligence Information for CVE-2026-65801

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Vendor Advisories for CVE-2026-65801 (1)

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

CVE-2026-6955510.0 CRITICALAzure Arc Elevation of Privilege Vulnerability
CVE-2026-6983610.0 CRITICALMicrosoft Entra ID Remote Code Execution Vulnerability
CVE-2026-6577010.0 CRITICALAzure Managed Instance for Apache Cassandra Remote Code Execution Vulnerability
CVE-2026-6581610.0 CRITICALAzure Arc Elevation of Privilege Vulnerability
CVE-2026-687899.9 CRITICALAzure SQL Database Elevation of Privilege Vulnerability
CVE-2026-698519.9 CRITICALMicrosoft Entra ID Elevation of Privilege Vulnerability
CVE-2026-687829.9 CRITICALAzure SQL Database Elevation of Privilege Vulnerability
CVE-2026-635099.9 CRITICALMicrosoft Fabric Elevation of Privilege Vulnerability
CVE-2026-694009.6 CRITICALAzure Logic Apps Elevation of Privilege Vulnerability
CVE-2026-628349.3 CRITICALAzure Data Factory Elevation of Privilege Vulnerability
CVE-2026-663099.1 CRITICALAzure SQL Database Elevation of Privilege Vulnerability
CVE-2026-668008.6 HIGHAzure Data Factory Information Disclosure Vulnerability
CVE-2026-695198.6 HIGHAzure Stack HCI Information Disclosure Vulnerability
CVE-2026-695588.6 HIGHMicrosoft Partner Center Information Disclosure Vulnerability
CVE-2026-694198.5 HIGHAzure Data Manager for Energy Remote Code Execution Vulnerability
CVE-2026-695438.5 HIGHAzure Virtual Machines Elevation of Privilege Vulnerability
CVE-2026-698557.7 HIGHMicrosoft Copilot in Azure Information Disclosure Vulnerability
CVE-2026-550137.1 HIGHWindows Remote Help Defense Spoofing Vulnerability
CVE-2026-701056.5 MEDIUMMicrosoft Word Information Disclosure Vulnerability
CVE-2026-550155.5 MEDIUMMicrosoft Remote Help Denial of Service Vulnerability

IV. Related Vulnerabilities

Same product: Microsoft Exchange Online
Same vendor: Microsoft
Same weakness: CWE-918

V. Comments for CVE-2026-65801

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