PT-2026-112541 · Microsoft · Skype For Business Server 2015 Cu13+2

CVE-2026-83746

·

Published

2026-10-13

·

Updated

2026-10-13

CVSS v3.1

8.1

High

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.

Fix

Found an issue in the description? Have something to add? Feel free to write us 👾
dbugs@ptsecurity.com

Weakness Enumeration

CWE-36

Related Identifiers

CVE-2026-83746

Affected Products

Skype For Business Server 2015 Cu13
Skype For Business Server 2019 Cu8
Skype For Business Server Subscription Edition Cu1