CVE-2026-83746

Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.

Score

CVSS 3.1 8.1 High

Status

Awaiting Analysis - secure@microsoft.com

Published

2026-10-13

Last modified

2026-10-28

Weaknesses

CWE-36

Affected products

• Skype For Business Server 2015 (Microsoft)
• Skype For Business Server 2019 (Microsoft)
• Skype For Business Server Subscription Edition (Microsoft)

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83746