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Microsoft Exchange Online Elevation of Privilege vulnerabilities

1 published alerts for Microsoft Microsoft Exchange Online Elevation of Privilege.

Microsoft MSRC

CVE-2026-48582

Microsoft Exchange Online Elevation of Privilege vulnerability

Microsoft Exchange Online Elevation of Privilege vulnerability (CVE-2026-48582) was added to Microsoft’s security update guidance. Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.