CVE-2026-24307— M365 Copilot Information Disclosure Vulnerability
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I. Basic Information for CVE-2026-24307
Vulnerability Information
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Vulnerability Title
M365 Copilot Information Disclosure Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper validation of specified type of input in M365 Copilot allows an unauthorized attacker to disclose information 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
CWE-1287
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft M365 Copilot 安全漏洞
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存在安全漏洞，该漏洞源于对指定类型的输入验证不当。攻击者利用该漏洞可以通过网络泄露信息。
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Microsoft | Microsoft 365 Copilot | - | - |
II. Public POCs for CVE-2026-24307
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Microsoft · 2026-01-22 · 8 CVEs total
| CVE-2026-24306 | 9.8 CRITICAL | Azure Front Door Elevation of Privilege Vulnerability |
| CVE-2026-21264 | 9.3 CRITICAL | Microsoft Account Spoofing Vulnerability |
| CVE-2026-24305 | 9.3 CRITICAL | Azure Entra ID Elevation of Privilege Vulnerability |
| CVE-2026-21227 | 8.2 HIGH | Azure Logic Apps Elevation of Privilege Vulnerability |
| CVE-2026-21520 | 7.5 HIGH | Copilot Studio Information Disclosure Vulnerability |
| CVE-2026-21521 | 7.4 HIGH | Word Copilot Information Disclosure Vulnerability |
| CVE-2026-21524 | 7.4 HIGH | Azure Data Explorer Information Disclosure Vulnerability |
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