Information disclosure in Microsoft Skype for Business

Published: 2022-04-12
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-26911
Exploitation vector Network
Public exploit N/A
Vulnerable software
Skype for Business Server
Server applications / Conferencing, Collaboration and VoIP solutions

Microsoft Lync
Client/Desktop applications / Messaging software

Vendor Microsoft

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Information disclosure

EUVDB-ID: #VU62256

Risk: Medium


CVE-ID: CVE-2022-26911

CWE-ID: CWE-200 - Information Exposure

Exploit availability: No


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in Skype for Business. A remote user can gain unauthorized access to sensitive information on the system.


Install updates from vendor's website.

Vulnerable software versions

Skype for Business Server: 2015 CU12 - 2019 CU6

Microsoft Lync: 2013 CU10

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?