CVE-2021-26421 Information

Description

Skype for Business and Lync Spoofing Vulnerability

CVSS Vector

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

Reference

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

LOW

Base Score

NONE

Base Severity

7.1