CVE-2026-48579

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48579	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:microsoft:exchange_online:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-06-04 23:17

Updated : 2026-07-23 07:10

NVD link : CVE-2026-48579

Mitre link : CVE-2026-48579

CVE.ORG link : CVE-2026-48579

JSON object : View

Products Affected

microsoft

exchange_online

CWE

CWE-285

Improper Authorization

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