Microsoft · M365 Copilot · CVE-2026-54130
**Name of the Vulnerable Software and Affected Versions**
M365 Copilot (affected versions not specified)
**Description**
A missing authentication flaw in a critical function allows an unauthorized attacker to disclose information over a network.
**Recommendations**
At the moment, there is no information about a newer version that contains a fix for this vulnerability.