CVE-2026-48582— Microsoft Exchange Online Elevation of Privilege Vulnerability
Possible ATT&CK Techniques 1AI
T1078.004 · Cloud AccountsAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Microsoft | Microsoft Exchange Online | - | affected |
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I. Basic Information for CVE-2026-48582
Vulnerability Information
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Vulnerability Title
Microsoft Exchange Online Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authorization in Microsoft Exchange Online 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:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Exchange Online 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Microsoft Exchange Online是美国Microsoft公司的邮件安全产品。 Microsoft Exchange Online存在授权问题漏洞，该漏洞源于授权缺失，可能导致授权攻击者提升网络权限。
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 Exchange Online | - | - |
II. Public POCs for CVE-2026-48582
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
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Vendor Advisories for CVE-2026-48582 (1)
Same Patch Batch · Microsoft · 2026-06-19 · 8 CVEs total
| CVE-2026-45480 | 10.0 CRITICAL | Azure Active Directory Elevation of Privilege Vulnerability |
| CVE-2026-48584 | 9.9 CRITICAL | Microsoft Azure Synapse Elevation of Privilege Vulnerability |
| CVE-2026-32208 | 8.8 HIGH | Microsoft Entra ID Spoofing Vulnerability |
| CVE-2026-47645 | 8.8 HIGH | Microsoft 365 Copilot's Business Chat Elevation of Privilege Vulnerability |
| CVE-2026-42895 | 6.5 MEDIUM | Microsoft Copilot Tampering Vulnerability |
| CVE-2026-50519 | 6.5 MEDIUM | Microsoft Visual Studio Code CoPilot Chat Security Feature Bypass Vulnerability |
| CVE-2026-49336 | @microsoft/kiota-http-fetchlibrary: Bearer token and Cookie leak across origin on redirect |
IV. Related Vulnerabilities
Same product: Microsoft Exchange Online
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Microsoft Exchange Online Elevation of Privilege Vulnerabili - CVE-2026-56191
Microsoft Exchange Online Tampering Vulnerability - CVE-2026-54998
Microsoft Exchange Online Elevation of Privilege Vulnerabili - CVE-2026-48579
Microsoft Exchange Online Information Disclosure Vulnerabili - CVE-2026-26137
Microsoft Exchange Elevation of Privilege Vulnerability
Same vendor: Microsoft
- CVE-2026-69855
Microsoft Copilot in Azure Information Disclosure Vulnerabil - CVE-2026-69543
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Microsoft Partner Center Information Disclosure Vulnerabilit - CVE-2026-69555
Azure Arc Elevation of Privilege Vulnerability - CVE-2026-69400
Azure Logic Apps Elevation of Privilege Vulnerability
Same weakness: CWE-862
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EverShop Missing Authorization on PATCH /api/customers/:id A - CVE-2026-54509
TREK IDOR: any authenticated user can read another user's jo
V. Comments for CVE-2026-48582
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