Elevation of Privilege Vulnerability in Skype for Business by Microsoft
CVE-2017-11786
8.8HIGH
Summary
An elevation of privilege vulnerability in Skype for Business and Microsoft Lync allows attackers to exploit improper handling of authentication requests to steal authentication hashes. This stolen authentication data could be reused to gain unauthorized access to other systems, posing significant risks to organizational security and data integrity.
Affected Version(s)
Skype for Business Microsoft Lync 2013 SP1 and Skype for Business 2016
References
CVSS V3.1
Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved