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Vulnerabilities

Vulnerability · CVE-2025-49706

Microsoft SharePoint Improper Authentication Vulnerability

Published Jul 8, 2025 · catalog updated Aug 3, 2026 · Microsoft SharePoint

Patch now

CVE-2025-49706 is in the CISA known-exploited catalog, due Jul 23, 2025. Confirm Microsoft SharePoint against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium6.5
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
99.09%
Remediation
Remediation guidance
Affected products
cpe microsoft/sharepoint enterprise server · cpe microsoft/sharepoint server · vendor Microsoft SharePoint

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/sharepoint enterprise server2016
  • cpe microsoft/sharepoint server2019
  • vendor Microsoft SharePointversion unspecified

How to fix CVE-2025-49706

  • Recommended remediation

    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. CISA due date Jul 23, 2025.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-49706 is in the CISA known-exploited catalog, due Jul 23, 2025. Confirm Microsoft SharePoint against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with microsoft/sharepoint enterprise server 2016; microsoft/sharepoint server 2019. 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.

What should an analyst verify?

CWE-287: Improper Authentication. EPSS 99.09%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 8, 2025 · Catalog

    Detected

    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

  2. Jul 22, 2025 · CISA KEV

    Known exploited

    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 disc

  3. Jul 23, 2025 · CISA KEV

    Remediation due

    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 disc

  4. Aug 3, 2026 · Catalog

    Updated

    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

Sources

  • CISA KEVConfirmed exploitationCVE-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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2025-49706

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-49706

    30-day exploitation probability 99.1%

    first.org
  • Metasploit ModulesPublic exploit moduleexploit_windows/http/sharepoint_toolpane_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2025-49706

    Improper authentication in Microsoft Office SharePoint allows an unauthorized attacker to perform spoofing over a network.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-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 vulne

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.