CVE-2026-63516

medium Microsoft
CVSS v3 Base Score
6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score
1.2%
Exploitation probability in 30 days
Top 34% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: August 11, 2026 (26 days ago)
Last Modified: August 12, 2026
Vendor: Microsoft
Source: NVD

Description

Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

CWE

CWE-502

Affected Products

microsoft sharepoint server

References

🔗 msrc.microsoft.com