CVE-2021-26421: Skype for Business and Lync Spoofing Vulnerability
First published: Tue May 11 2021(Updated: )
Skype for Business and Lync Spoofing Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Lync Server | =2013-cumulative_update_10 | |
| Microsoft Skype For Business Server | =2015-cumulative_update_11 |
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Frequently Asked Questions
What is the severity of CVE-2021-26421?
The severity of CVE-2021-26421 is high with a score of 6.5.
Which software is affected by CVE-2021-26421?
CVE-2021-26421 affects Microsoft Lync Server 2013 (Cumulative Update 10) and Microsoft Skype For Business Server 2015 (Cumulative Update 11).
What is the vulnerability description of CVE-2021-26421?
CVE-2021-26421 is a spoofing vulnerability in Skype for Business and Lync.
How do I fix CVE-2021-26421?
To fix CVE-2021-26421, apply the necessary security updates provided by Microsoft.
Where can I find more information about CVE-2021-26421?
You can find more information about CVE-2021-26421 at the following URL: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26421
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- vendor/microsoft
- canonical/microsoft lync server
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- canonical/microsoft skype for business server
- version/microsoft skype for business server/2015-cumulative_update_11