.NET Denial of Service Vulnerability
CVE-2026-120796
Summary
Improper access control in M365 Copilot allows an authorized attacker to perform spoofing locally.
Products covered
Microsoft 365 Copilot for Android
Microsoft Excel for Android
Microsoft Word for Android
Microsoft PowerPoint for Android
Microsoft Loop for Android
Microsoft OneNote for Android
Remediation
Release Notes
Vendor-listed fixes
16.0.19822.20190
CVEs in this advisory 1
Updates
- Published by Microsoft Security Response Center
The publication date reported by the vendor.
- Updated by Microsoft Security Response Center
The vendor changed the advisory after it was first published.
- Added to SecurityAlert
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- Confirmed at the source
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