QID 110382

Date Published: 2021-05-12

QID 110382: Microsoft Skype for Business Server Security and Lync Server Update for May 2021

Microsoft has released updates to fix multiples updates to fix issues on Microsoft Skype for Business Server and Microsoft Lync Server..

Affected Software:
Microsoft Lync Server 2013
Skype for Business Server 2015
Microsoft Skype for Business Server 2019

QID Detection Logic:

Successful exploitation of vulnerability can lead to Remote Code Execution and Spoofing attacks.

  • CVSS V3 rated as High - 7.2 severity.
  • CVSS V2 rated as High - 6.5 severity.
  • Solution
    Customers are advised to refer to CVE-2021-26422 and CVE-2021-26421 for more details pertaining to the vulnerabilities.

    Vendor References

    CVEs related to QID 110382

    Software Advisories
    Advisory ID Software Component Link
    Microsoft Update Guidance URL Logo msrc.microsoft.com/update-guide/en-us