June 20, 2026

CVE Watchtower


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CVE-2026-48582NVD

Vulnerability Summary

Missing authorization in Microsoft Exchange Online allows an authorized attacker to elevate privileges over a network.
Severity Level
CRITICAL(9.6)
Published Date
Jun 19, 2026
Last Modified
Jun 19, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
CWE-862: Missing Authorization ↗
The software does not perform an authorization check when an actor attempts to access a resource or perform an action.
CVSS v3.1 Base Metrics
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone

External References