CVE-2026-77910

Incorrect authorization in Microsoft Exchange Server allows an authorized attacker to elevate privileges over a network.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

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-2026-77910

Configurations

No configuration.

History

13 Oct 2026, 19:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-13 19:19

Updated : 2026-10-14 04:18

NVD link : CVE-2026-77910

Mitre link : CVE-2026-77910

CVE.ORG link : CVE-2026-77910

JSON object : View

Products Affected

No product.

CWE

CWE-863

Incorrect Authorization

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