CVE-2026-85873

Description

Improper authorization in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.

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Produits concernés

• Microsoft Skype for Business Server 2015 CU13
• Microsoft Skype for Business Server 2019 CU8
• Microsoft Skype for Business Server Subscription Edition CU1

Scores CVSS

Faiblesses (CWE)

• CWE-639

Références

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85873

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories