CVE-2021-26422

HIGH

Skype for Business and Lync Server - Remote Code Execution

Title source: llm
STIX 2.1

Description

Skype for Business and Lync Remote Code Execution Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 7.2
EPSS 0.0222
EPSS Percentile 80.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Details

Status published
Products (3)
microsoft/lync_server 2013 cumulative_update_10
microsoft/skype_for_business_server 2015 cumulative_update_11
microsoft/skype_for_business_server 2019 cumulative_update_5
Published May 11, 2021
Tracked Since Feb 18, 2026