CVE-2026-26114

Microsoft SharePoint Server Remote Code Execution Vulnerability

Published Mar 10, 2026 CVSS 3.1 · 8.8 High EPSS 3.4% KEV · Not listed
Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Microsoft sharepoint Server
CPEs cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
Vendors & Products Microsoft sharepoint Server
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Title Microsoft SharePoint Server Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
Weaknesses CWE-502
CPEs cpe:2.3:a:microsoft:sharepoint_server_2016:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server_2019:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Jun 19, 2026, 6:17 PM
Reserved
Feb 11, 2026, 3:52 PM
Status
Analyzed
Published
Mar 10, 2026, 6:18 PM
Modified
Jun 17, 2026, 10:25 AM