MEDIUM 6.5 Microsoft

CVE-2026-69642

Skype for Business Spoofing Vulnerability

Microsoft Security Update 2026-Sep: Skype for Business Spoofing Vulnerability

Affected Products

Skype for Business Server 2015 CU13
Skype for Business Server 2019 CU8
Skype for Business Server Subscription Edition CU1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69642
https://nvd.nist.gov/vuln/detail/CVE-2026-69642

Published: 2026-09-08 · Source: Microsoft · Feed updated: 2026-10-28

This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-09-08 via Microsoft. Affected: Skype for Business Server 2015 CU13, Skype for Business Server 2019 CU8, Skype for Business Server Subscription Edition CU1.

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