Summary
Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
Security updates
19.2604.43111.0 — https://apps.microsoft.com/detail/9wzdncrd29v9?hl=en-us&gl=IE&ocid=pdpshare
Vulnerabilities 1
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Medium 6.2
M365 Copilot for Desktop Spoofing Vulnerability
Improper access control in M365 Copilot for Desktop allows an unauthorized attacker to perform spoofing locally.
Revision history
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#1
Information published.
References
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CVE-2026-41614 M365 Copilot for Desktop Spoofing Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-41614
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss