CVE-2021-26421

MEDIUM

Skype for Business and Lync Server - Spoofing Vulnerability

Title source: llm
STIX 2.1

Description

Skype for Business and Lync Spoofing Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0141
EPSS Percentile 69.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N

Details

Status published
Products (2)
microsoft/lync_server 2013 cumulative_update_10
microsoft/skype_for_business_server 2015 cumulative_update_11
Published May 11, 2021
Tracked Since Feb 18, 2026