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Medium5.3Microsoft Server

Medium [CVE-2021-27052] Microsoft SharePoint Server Information Disclosure Vulnerability

This medium-severity Microsoft Server advisory covers CVE-2021-27052 affecting Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019.

CVE-2021-27052 Published Mar 11, 2021Updated by vendor Aug 19, 2026
Affected products & platforms
Microsoft ServerSharePoint Server
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Summary

Microsoft SharePoint Server Information Disclosure Vulnerability

Affected products named by the advisory: Microsoft SharePoint Enterprise Server 2016; Microsoft SharePoint Server 2019.

Affected versions
  • Microsoft SharePoint Enterprise Server 2016 16.0.0 before 16.0.5134.1000
  • Microsoft SharePoint Server 2019 16.0.0 before 16.0.10372.20000

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Fixed versions
  • 16.0.5134.1000
  • 16.0.10372.20000

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Mitigation

Upgrade to a fixed release: 16.0.5134.1000, 16.0.10372.20000. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

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