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High 1 exploited CVE MSRC-CVE-2025-49706 1 CVE

Microsoft SharePoint Server Spoofing Vulnerability

Published Jul 8, 2025 · Updated Jul 31, 2025 · Revision 5

Vendor: Microsoft

Summary

Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

Details

According to the CVSS metrics, successful exploitation of this vulnerability could lead to major loss of confidentiality (C:H), and some loss of integrity (I:L), but no loss of availability (A:N). What does that mean for this vulnerability?
An attacker who successfully exploited this vulnerability could view sensitive information, a token in this scenario (Confidentiality), and make some changes to disclosed information (Integrity), but they would not be able to affect Availability.

I am running SharePoint Server 2016. Do the updates for SharePoint Enterprise Server 2016 also apply to the version I am running?
Yes. The same KB number applies to both SharePoint Server 2016 and SharePoint Enterprise Server 2016. Customers running either version should install the security update to be protected from this vulnerability.

Security updates
16.0.5508.1000 — https://support.microsoft.com/help/5002744
16.0.10417.20027 — https://support.microsoft.com/help/5002741
16.0.18526.20424 — https://support.microsoft.com/help/5002751

Vulnerabilities 1

Revision history

  1. #5

    Added an FAQ to explain that the security update KB for SharePoint Server 2016 applies to both Microsoft SharePoint Server 2016 and Microsoft SharePoint Enterprise Server 2016. This is an informational change only.

  2. #4

    Corrected the Download and Article links in the Security Updates table. This is an informational change only.

  3. #3

    Updated one or more CVSS scores for the affected products. This is an informational change only.

  4. #2

    Updated one or more CVSS scores for the affected products. This is an informational change only.

  5. #1

    Information published.

References