VULNERABILITY INTELLIGENCE

CVE-2026-66305

CVSS score7.1 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2026-09-08
Last modified2026-09-16
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N

Description

Use of client-side authentication in Skype for Business allows an authorized attacker to perform spoofing over a network.

Weakness classification

  • secure@microsoft.com: CWE-603

Primary references