CVE-2026-55006

Insufficient granularity of access control in Microsoft Exchange Server allows an authorized attacker to elevate privileges locally.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55006

Configurations

No configuration.

History

14 Jul 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 17:17

Updated : 2026-07-15 05:17

NVD link : CVE-2026-55006

Mitre link : CVE-2026-55006

CVE.ORG link : CVE-2026-55006

JSON object : View

Products Affected

No product.

CWE

CWE-1220

Insufficient Granularity of Access Control

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