high7.1
CVE-2026-66305
Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.
Impact
Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Skype For Business Server | Versions 2015, 2019 |
| Microsoft | Skype For Business Server Subscription Edition | Version 7.0.2046.849 |