High severity8.3NVD Advisory· Published Sep 8, 2026
Skype for Business Spoofing Vulnerability
CVE-2026-69646
Description
Improper verification of cryptographic signature in Skype for Business allows an unauthorized attacker to perform spoofing over an adjacent network.
Affected products
1Patches
Vulnerability mechanics
News mentions
1- Massive Microsoft Patch Tuesday September 2026 – 973 Vulnerabilities Fixed, Including 2 Zero-DaysCyber Security News · Sep 8, 2026