CVE-2026-66305
Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.
- Published Sep 8, 2026
- CVSS 7.1 high
- 0.5% chance of exploitation in the next 30 days (EPSS)
- A fix is available
Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.