CVE-2021-26418: Microsoft SharePoint Server Spoofing Vulnerability

Overview

Severity

Medium (CVSS 4.6)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C

Category

Spoofing

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2021-May

Released

2021-05-11

EPSS Score

0.91% (percentile: 75.8%)

Affected Products (3)

Microsoft Office

• Microsoft SharePoint Enterprise Server 2016
• Microsoft SharePoint Server 2019
• Microsoft SharePoint Foundation 2013 Service Pack 1

Security Updates (3)

• 5001917
• 5001916
• 5001935

Acknowledgments

<a href="https://www.aswsec.com">Adam Willard</a>

Revision History

• 2021-05-11: Information published.