What is CVE-2021-26422?

CVE-2021-26422 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Skype for Business and Lync Remote Code Execution Vulnerability

Which CVE IDs does CVE-2021-26422 cover?

CVE-2021-26422 covers the following CVE IDs: CVE-2021-26422. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-26422?

CVE-2021-26422 has a CVSS v3 base score of 7.2, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-26422?

CVE-2021-26422 affects 3 products, including: Microsoft Lync Server 2013 CU10; Skype for Business Server 2015 CU11; Skype for Business Server 2019 CU5.

CVE-2021-26422HighCVSS 7.2

Skype for Business and Lync Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 11, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-26422 →

🎯 Affected products3

Microsoft Lync Server 2013 CU10
Skype for Business Server 2015 CU11
Skype for Business Server 2019 CU5

✅ Remediation

KB5003729 (Security Update) — fixed build 8308.1144 KB5003729 (Security Update) — fixed build 2046.369 KB5003729 (Security Update) — fixed build 9319.606

🔗 References (4)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26422
patchhttps://www.microsoft.com/download/details.aspx?familyid=dac7c777-fe8a-45a2-9a82-07a2e15c298f
patchhttps://www.microsoft.com/download/details.aspx?familyid=de77f3bc-efd5-4dab-a2fb-81e2894b0937
patchhttps://www.microsoft.com/download/details.aspx?familyid=0d08ed37-106a-456f-a5c6-61df22588bec