CVSS 3.1
7.1 highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:NCVE-2026-66305
High (7.1) in microsoft. EPSS 0.5% chance of exploitation in the next 30 days.
Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
- CWE
- CWE-603
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:skype_for_business_server
- microsoft:skype_for_business_server_subscription_edition