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CVE-2026-41100— Microsoft 365 Copilot for Android Spoofing Vulnerability

CVSS 4.4 · Medium EPSS 0.04% · P11

Possible ATT&CK Techniques 1AI

T1199 · Trusted Relationship

Affected Version Matrix 1

VendorProductVersion RangeStatus
MicrosoftMicrosoft 365 Copilot for Android1.0< 16.0.19822.20190affected
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I. Basic Information for CVE-2026-41100

Vulnerability Information
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Vulnerability Title
Microsoft 365 Copilot for Android Spoofing Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft M365 Copilot 访问控制错误漏洞
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存在访问控制错误漏洞。攻击者利用该漏洞执行欺骗攻击。
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 ~ 16.0.19822.20190 -

II. Public POCs for CVE-2026-41100

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III. Intelligence Information for CVE-2026-41100

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Same Patch Batch · Microsoft · 2026-05-12 · 125 CVEs total

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CVE-2026-410868.8 HIGHWindows Admin Center in Azure Portal Elevation of Privilege Vulnerability
CVE-2026-410948.8 HIGHMicrosoft Data Formulator Remote Code Execution Vulnerability
CVE-2026-331128.8 HIGHMicrosoft SharePoint Server Remote Code Execution Vulnerability
CVE-2026-343298.8 HIGHMicrosoft Message Queuing (MSMQ) Remote Code Execution Vulnerability
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Showing top 20 of 125 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft 365 Copilot for Android
Same vendor: Microsoft
Same weakness: CWE-284

V. Comments for CVE-2026-41100

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