CVE-2022-21987: Microsoft SharePoint Server Spoofing Vulnerability

Published Feb 8, 2022
·
Updated

Microsoft SharePoint Server Spoofing Vulnerability

Affected Software

8 affected componentsFixes available
Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Server 2019
Microsoft SharePoint Enterprise Server 2013
Microsoft SharePoint Enterprise Server=2016
Microsoft SharePoint Foundation=2013-sp1
Microsoft SharePoint Server
Microsoft SharePoint Server=2019
Microsoft SharePoint Enterprise Server 2016

Event History

Feb 8, 2022
CVE Published
via Microsoft·08:00 AM
Data Sourced
via Microsoft·08:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:00 AM
Affected Software
Updated
via Microsoft·08:00 AM
Description
Feb 9, 2022
CVE Published
via MITRE·04:36 PM
Data Sourced
via MITRE·04:36 PM
DescriptionSeverity
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2022-21987?

CVE-2022-21987 is a spoofing vulnerability in Microsoft SharePoint Server.

2

Which versions of SharePoint Server are affected by CVE-2022-21987?

SharePoint Server 2019, SharePoint Enterprise Server 2013, SharePoint Enterprise Server 2016, and SharePoint Server Subscription Edition are affected.

3

What is the severity of CVE-2022-21987?

The severity of CVE-2022-21987 is high with a CVSS score of 8.

4

How can I fix CVE-2022-21987?

Apply the relevant patches provided by Microsoft or follow the remediation steps mentioned in the Microsoft support articles for the affected SharePoint Server versions.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203