Unrated severityNVD Advisory· Published Jun 18, 2026
M365 Copilot Information Disclosure Vulnerability
CVE-2026-54130
Description
Missing authentication for critical function in M365 Copilot allows an unauthorized attacker to disclose information over a network.
Affected products
1Patches
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54130mitrevendor-advisorypatch
News mentions
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