Live › vulnerability › CVE-2025-49706
Go to dashboardMicrosoft SharePoint has an improper authentication flaw that lets an attacker who can reach the server spoof identity over the network and view sensitive information, with some changes to disclosed data possible. It is listed as exploited in the wild and tied to ransomware use, and it can be chained with CVE-2025-49704.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft SharePoint | vendor | – | – |
| microsoft sharepoint enterprise server | vendor | = 2016 | – |
| microsoft sharepoint server | vendor | < 16.0.18526.20424 | 16.0.18526.20424 |
| microsoft sharepoint server | vendor | = 2019 | – |
Unknown from the sources.
Apply the vendor patch for CVE-2025-49706 and the follow-up patch for CVE-2025-53771, which the sources say is more robust; disconnect end-of-life SharePoint Server versions (2013 and earlier) from the public internet.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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.
CISA required action: Disconnect public-facing versions of SharePoint Server that have reached their end-of-life (EOL) or end-of-service (EOS) to include SharePoint Server 2013 and earlier versions. For supported versions, please follow the mitigations according to CISA (URL listed below in Notes) and vendor instructions (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
This page as .md · .json · in your agent: get_signal("CVE-2025-49706")
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