Security Updates for Microsoft Skype for Business (May 2021)

The Microsoft Skype for Business installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - A session spoofing vulnerability exists. An attacker can exploit this to perform actions with the privileges of another user. CVE-2021-26421 - A...

CVE-2021-26421

Skype for Business and Lync Spoofing Vulnerability...

CVE-2021-26421

CVE-2021-26421 affects Microsoft Skype for Business Server and Lync Server components (e.g., Skype for Business Server 2015 CU11, Lync Server 2013 CU10, etc.). The vulnerability is described as a spoofing of the user interface in Skype for Business and Lync, allowing an attacker to mimic another ...

CVE-2021-26421 Skype for Business and Lync Spoofing Vulnerability

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Description of the security update for Skype for Business Server and Lync Server: May 11, 2021 (KB5003729)

Description of the security update for Skype for Business Server and Lync Server: May 11, 2021 KB5003729 Summary This security update resolves vulnerabilities in Microsoft Skype for Business Server and Microsoft Lync Server. To learn more about these vulnerabilities, see Microsoft Common...