MEDIUMCVSS 6.5Actively exploited · CISA KEV since 2025-07-22Vulnerability

CVE-2025-49706

Microsoft SharePoint contains an improper authentication vulnerability that allows an authorized attacker to perform spoofing over a network. Successfully exploitation could allow an attacker to view sensitive information and make some changes to disclosed information. This vulnerability could be chained with CVE-2025-49704. CVE-2025-53771 is a patch bypass for CVE-2025-49706, and the updates for CVE-2025-53771 include more robust protection than those for CVE-2025-49706.

Properties

Euvd product
Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition, Microsoft SharePoint Enterprise Server 2016
Vulnerability name
Microsoft SharePoint Improper Authentication Vulnerability
First seen
2026-08-04T03:55:53+00:00
Cvss score
6.5
Epss score
0.99095
Last seen
2026-10-19T12:00:27+00:00
Due date
2025-07-23
Euvd assigner
microsoft
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2025-07-22T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2025-07-22
Euvd base score version
3.1
Score
6.5
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Microsoft
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
6.5

Related Entities (11)

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AFFECTS_PRODUCT (3)

→[Product]cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*
→[Product]cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*

DESCRIBES (1)

←[KEVEntry]Microsoft SharePoint Improper Authentication Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Authentication

INVOLVES (1)

←[Signal]kev_added · 2025-07-22

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CVE-2025-49706 (CVSS 6.5) — Ninja Signal Threat Intelligence | Ninja Signal