Sep 2026: Skype for Business Remote Code Execution Vulnerability
CVE-2026-66302 Published on September 8, 2026

Skype for Business Remote Code Execution Vulnerability
External control of file name or path in Skype for Business allows an unauthorized attacker to execute code over a network.

Vendor Advisory NVD

Weakness Type

External Control of File Name or Path

The software allows user input to control or influence paths or file names that are used in filesystem operations.


Products Associated with CVE-2026-66302

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Affected Versions

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