SEPTEMBER 17, 2026
Live Feed
Back to database
Case File

CVE-2026-66305

HIGH · CVSS 7.1 EPSS 0.30%

Source: NVD + CISA KEV + EPSS · Published 2026-09-08 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

A vulnerability in Skype for Business enables an authorized attacker to exploit client-side authentication, potentially leading to spoofing attacks within the network. This could allow the attacker to impersonate legitimate users, compromising the integrity of communications. Organizations using Skype for Business should prioritize addressing this issue to safeguard against unauthorized access and maintain secure communications.

CVE
CVE-2026-66305
Severity
HIGH
CVSS
7.1
EPSS
0.30%

Original NVD Description

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

Related CVEs

Other vulnerabilities affecting the same vendor(s)

CVE-2026-75624 HIGH CVE-2026-87654 CRITICAL CVE-2026-87653 MEDIUM CVE-2026-87648 HIGH CVE-2026-87644 HIGH CVE-2026-87621 CRITICAL