CVE-2026-69646
high
Microsoft CVSS v3 Base Score
8.3
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
Attack Characteristics
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
Low
Published: September 8, 2026 (2 days ago)
Last Modified: September 9, 2026
Vendor: Microsoft
Source: MITRE
Vulnerability Report
Generated by CyberWatcher
Description
Improper verification of cryptographic signature in Skype for Business allows an unauthorized attacker to perform spoofing over an adjacent network.
CWE
CWE-347Affected Products
Microsoft Skype for Business Server 2015 CU13Microsoft Skype for Business Server 2019 CU8Microsoft Skype for Business Server Subscription Edition CU1