CVE-2026-69646

Summary

Improper verification of cryptographic signature in Skype for Business allows an unauthorized attacker to perform spoofing over an adjacent network.

Affected Software

VendorProductVersion RangeStatus
MicrosoftSkype for Business Server 2015 CU139319.0 < 6.0.9319.885affected
MicrosoftSkype for Business Server 2019 CU82046.0 < 7.0.2046.569affected
MicrosoftSkype for Business Server Subscription Edition CU12046.0 < 7.0.2046.879affected

Weaknesses

  • CWE-347: CWE-347: Improper Verification of Cryptographic Signature

References