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OpenAdvisories
High MSRC-CVE-2026-47636 1 CVE

Microsoft SharePoint Server Spoofing Vulnerability

Published Jun 9, 2026 · Updated Jun 17, 2026 · Revision 2

Vendor: Microsoft

Summary

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

Details

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user would have to click on a specially crafted URL to be compromised by the attacker.

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.

According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), and integrity (I:L) but lead to no loss of availability (A:N). What is the impact of this vulnerability?
An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality), make changes to disclosed information (Integrity), but cannot limit access to the resource (Availability).

Security updates
16.0.5556.1005 — https://support.microsoft.com/help/5002880
16.0.10417.20153 — https://support.microsoft.com/help/5002874
16.0.19725.20384 — https://support.microsoft.com/help/5002873

Vulnerabilities 1

Revision history

  1. #2

    Acknowledgement added. This is an informational change only.

  2. #1

    Information published.

References