CVE-2021-26421

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Skype for Business and Lync Spoofing Vulnerability

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N

Affected software

No affected versions have been published.

Timeline

Published
May 11, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-264227.2Skype for Business and Lync Remote Code Execution VulnerabilityCVE-2021-264237.5.NET Core and Visual Studio Denial of Service VulnerabilityCVE-2021-264249.9Windows TCP/IP Remote Code Execution VulnerabilityCVE-2021-264257.8Windows Event Tracing Elevation of Privilege VulnerabilityCVE-2021-264267.0Windows User Account Profile Picture Elevation of Privilege VulnerabilityCVE-2021-264279.0Microsoft Exchange Server Remote Code Execution VulnerabilityCVE-2021-264284.4Azure Sphere Information Disclosure VulnerabilityCVE-2021-264297.7Azure Sphere Elevation of Privilege VulnerabilityCVE-2021-264306.0Azure Sphere Denial of Service VulnerabilityCVE-2021-264317.8Windows Recovery Environment Agent Elevation of Privilege VulnerabilityCVE-2021-264329.8Windows Services for NFS ONCRPC XDR Driver Remote Code Execution VulnerabilityCVE-2021-264337.5Windows Services for NFS ONCRPC XDR Driver Information Disclosure Vulnerability
CVE-2021-26421: Medium severity, CVSS 6.5 | Vulnix