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VULNERABILITIES

CVE-2026-65658 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65658 [email protected]Vendor AdvisoryPatch

Weakness Enumeration

CWE-IDCWE NameSource
CWE-502Deserialization of Untrusted Data[email protected]

Affected Products

ProductVersions
microsoft sharepoint server
< 16.0.19725.20522
2016
2019

CPE

  • cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
  • cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-65658
NVD Published Date:
Aug 11, 2026
NVD Last Modified:
Aug 13, 2026
Source:
[email protected]
CVE-2026-65658 Details - Not Deferred