Description
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
Published: 2026-05-12
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 13 May 2026 21:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

Wed, 13 May 2026 10:00:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft sharepoint Server Subscription Edition
Vendors & Products Microsoft sharepoint Server Subscription Edition

Tue, 12 May 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 12 May 2026 17:30:00 +0000

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
Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
Weaknesses CWE-502
CPEs 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:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft sharepoint Server
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'}


Subscriptions

Microsoft Sharepoint Server Sharepoint Server 2016 Sharepoint Server 2019 Sharepoint Server Subscription Edition
cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-05-15T17:13:04.021Z

Reserved: 2026-03-17T20:15:23.720Z

Link: CVE-2026-33112

cve-icon Vulnrichment

Updated: 2026-05-12T19:20:38.149Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-12T18:17:03.687

Modified: 2026-05-13T20:53:28.320

Link: CVE-2026-33112

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-13T10:00:10Z

Weaknesses