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CVE-2026-26133— M365 Copilot Information Disclosure Vulnerability

CVSS 7.1 · High EPSS 0.05% · P14
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I. Basic Information for CVE-2026-26133

Vulnerability Information
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Vulnerability Title
M365 Copilot Information Disclosure Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
AI command injection 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:U/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Excel等都是美国微软（Microsoft）公司的产品。Microsoft Excel是一款Office套件中的电子表格处理软件。Microsoft Edge是一款Windows 10之后版本系统附带的Web浏览器。Microsoft Word是一套Office套件中的文字处理软件。 Microsoft多款产品存在安全漏洞。该漏洞源于应用程序未能在处理特定文件路径或请求时进行充分的验证与过滤。以下产品受到影响：Microsoft OneNote for iOS、Microsoft O
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

VendorProductAffected VersionsCPESubscribe
MicrosoftMicrosoft 365 Copilot for Android 1.0 ~ 16.0.19815.10000 -
MicrosoftMicrosoft 365 Copilot for iOS 1.0 ~ 2.107.2 -
MicrosoftMicrosoft Edge for Android 1.0.0 ~ 145.3800.99 -
MicrosoftMicrosoft Edge for iOS 1.0.0.0 ~ 145.3800.99 -
MicrosoftMicrosoft Excel for Android 16.0.0.0 ~ 16.0.19822.20038 -
MicrosoftMicrosoft Excel for iOS 1.0 ~ 2.106.26020617 -
MicrosoftMicrosoft Loop for iOS 2.0.0 ~ 2.106.26020617 -
MicrosoftMicrosoft OneNote 1.0.0 ~ 2.106.26020617 -
MicrosoftMicrosoft OneNote for Android 16.0.1 ~ 16.0.19725.20142 -
MicrosoftMicrosoft Outlook for Android 1.0 ~ 5.2605 -
MicrosoftMicrosoft Outlook for iOS 1.0.0 ~ 5.2605 -
MicrosoftMicrosoft Outlook for Mac 1.0.0 ~ 5.2605 -
MicrosoftMicrosoft PowerBI for Android 2.0.0 ~ 2.2.260210.21290750 -
MicrosoftMicrosoft PowerBI for iOS 1.0.0 ~ 1.2.260302.2193910 -
MicrosoftMicrosoft PowerPoint for Android 16.0.0.0 ~ 16.0.19822.20038 -
MicrosoftMicrosoft PowerPoint for iOS 1.0 ~ 2.106.26020617 -
MicrosoftMicrosoft Teams for Android 1.0.0 ~ 1.0.0.2026043102 -
MicrosoftMicrosoft Teams for iOS 2.0.0 ~ 8.3.1 -
MicrosoftMicrosoft Word for Android 16.0.0.0 ~ 16.0.19822.20038 -
MicrosoftMicrosoft Word for iOS 2.0.0 ~ 2.106.26020617 -

II. Public POCs for CVE-2026-26133

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III. Intelligence Information for CVE-2026-26133

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IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-77

V. Comments for CVE-2026-26133

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