Description
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Published: 2026-04-14
Score: 4.6 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Spoofing via cross‑site scripting
Action: Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 06 May 2026 18:15:00 +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, 15 Apr 2026 14:45:00 +0000

Type Values Removed Values Added
First Time appeared Microsoft sharepoint Enterprise Server 2016
Microsoft sharepoint Server Subscription Edition
Vendors & Products Microsoft sharepoint Enterprise Server 2016
Microsoft sharepoint Server Subscription Edition

Tue, 14 Apr 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 14 Apr 2026 17:30:00 +0000

Type Values Removed Values Added
Description Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.
Title Microsoft SharePoint Server Spoofing Vulnerability
First Time appeared Microsoft
Microsoft sharepoint Server
Microsoft sharepoint Server 2016
Microsoft sharepoint Server 2019
Weaknesses CWE-79
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': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C'}


Subscriptions

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

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-05-12T17:37:52.224Z

Reserved: 2025-12-04T20:04:16.339Z

Link: CVE-2026-20945

cve-icon Vulnrichment

Updated: 2026-04-14T19:03:48.052Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-14T18:16:43.737

Modified: 2026-05-06T18:04:39.960

Link: CVE-2026-20945

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-15T15:15:06Z

Weaknesses