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CVE-2022-21968: Microsoft SharePoint Server Security Feature Bypass Vulnerability

• Severity: medium (CVSS 4.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-09 · updated 2026-06-17

Description

Microsoft SharePoint Server Security Feature Bypass Vulnerability

Affected products

• Microsoft SharePoint Server: 2016
• Microsoft SharePoint Foundation 2013 Service Pack 1: 2013-sp1
• Microsoft SharePoint Server: 2019
• Microsoft SharePoint Server Subscription Edition: from 16.0.0 before 16.0.14326.20742 — fixed in 16.0.14326.20742
• Microsoft Sharepoint Enterprise Server 2016: from 16.0.0 before 16.0.5278.1000 — fixed in 16.0.5278.1000
• Microsoft SharePoint Foundation 2013 Service Pack 1: from 15.0.0 before 15.0.5423.1000 — fixed in 15.0.5423.1000
• Microsoft SharePoint Server: from 16.0.0 before 16.0.10383.20001 — fixed in 16.0.10383.20001

How to fix

Upgrade to a fixed version: Microsoft SharePoint Server Subscription Edition 16.0.14326.20742; Microsoft Sharepoint Enterprise Server 2016 16.0.5278.1000; Microsoft SharePoint Foundation 2013 Service Pack 1 15.0.5423.1000; Microsoft SharePoint Server 16.0.10383.20001. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21968
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21968

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