Unrated severityNVD Advisory· Published Jun 19, 2026
Microsoft Exchange Online Elevation of Privilege Vulnerability
CVE-2026-48582
Description
Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.
Affected products
1Patches
Vulnerability mechanics
References
1- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48582mitrevendor-advisorypatch
News mentions
1- Microsoft Cloud Batch: 13 CVEs Across Copilot, Azure, Exchange, and Developer ToolsVypr Intelligence · Jun 19, 2026