CVE-2026-33102— Microsoft 365 Copilot Elevation of Privilege Vulnerability
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I. Basic Information for CVE-2026-33102
Vulnerability Information
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Vulnerability Title
Microsoft 365 Copilot Elevation of Privilege Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Url redirection to untrusted site ('open redirect') in M365 Copilot allows an unauthorized attacker to elevate privileges over a network.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft M365 Copilot 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft M365 Copilot是美国微软（Microsoft）公司的一个AI驱动的生产力工具。 Microsoft M365 Copilot存在输入验证错误漏洞，该漏洞源于URL重定向到不可信站点，可能导致未经授权的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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft 365 Copilot | - | - |
II. Public POCs for CVE-2026-33102
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Microsoft · 2026-04-23 · 7 CVEs total
| CVE-2026-35431 | 10.0 CRITICAL | Microsoft Entra ID Entitlement Management Spoofing Vulnerability |
| CVE-2026-33819 | 10.0 CRITICAL | Microsoft Bing Remote Code Execution Vulnerability |
| CVE-2026-24303 | 9.6 CRITICAL | Microsoft Partner Center Elevation of Privilege Vulnerability |
| CVE-2026-32210 | 9.3 CRITICAL | Microsoft Dynamics 365 (online) Spoofing Vulnerability |
| CVE-2026-26150 | 8.6 HIGH | Microsoft Purview eDiscovery Elevation of Privilege Vulnerability |
| CVE-2026-32172 | 8.0 HIGH | Microsoft Power Apps Remote Code Execution Vulnerability |
IV. Related Vulnerabilities
Same vendor: Microsoft
- CVE-2026-42826
Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
Same weakness: CWE-601
- CVE-2026-42350
Kargo: Open Redirect in UI OIDC Login Flow via redirectTo Qu - CVE-2026-42195
Unvalidated gitlab URL parameter redirects OAuth authorize s - CVE-2026-3318
Multiple vulnerabilities in Cradle e-commerce - CVE-2026-42259
Saltcorn: Open Redirect in `POST /auth/login` due to incompl - CVE-2026-6795
Open Redirect in DivvyDrive Information Technologies' DivvyD
V. Comments for CVE-2026-33102
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