1 sources verified·1 min read
By Lyrie Threat Intelligence·5/9/2026
0day Intel: ‼️🚨 Microsoft just patched three critical M365 Copilot data leak vulnerabilitie
Source: X search for CVE-2026 critical
Posted: 2026-05-08T21:31:57.000Z
Likes: 153
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‼️🚨 Microsoft just patched three critical M365 Copilot data leak vulnerabilities. All three are network-reachable, unauthenticated, and zero-click.
M365 Copilot Business Chat usually has access to a tenant's SharePoint, OneDrive, Outlook, Teams, and more.
▪️ CVE-2026-26129 https://t.co/7ERDCLwZHG
Source Link
https://x.com/i/status/2052864105153724723
Lyrie Verdict
Lyrie's autonomous defense layer flags this class of exposure the moment it surfaces — no signature update required.
Validated sources
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