Jun 2026: Microsoft Exchange Online Elevation of Privilege Vulnerability
CVE-2026-48582 Published on June 19, 2026
Microsoft Exchange Online Elevation of Privilege Vulnerability
Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVE-2026-48582 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-48582
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Affected Versions
Microsoft Exchange Online Version - is affected by CVE-2026-48582Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.