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

Project Subscriptions

Vendors Products
Microsoft Subscribe
Skype For Business Server 2015 Subscribe
Skype For Business Server 2019 Subscribe
Skype For Business Server Subscription Edition Subscribe
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Tue, 13 Oct 2026 19:15:00 +0000

Type Values Removed Values Added
Description Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.
Title Skype for Business Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft skype For Business Server 2015
Microsoft skype For Business Server 2019
Microsoft skype For Business Server Subscription Edition
Weaknesses CWE-36
CPEs cpe:2.3:a:microsoft:skype_for_business_server_2015:*:cu13:*:*:*:*:*:*
cpe:2.3:a:microsoft:skype_for_business_server_2019:*:cu8:*:*:*:*:*:*
cpe:2.3:a:microsoft:skype_for_business_server_subscription_edition:*:cu1:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft skype For Business Server 2015
Microsoft skype For Business Server 2019
Microsoft skype For Business Server Subscription Edition
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: microsoft

Published:

Updated: 2026-10-13T21:35:27.458Z

Reserved: 2026-08-31T22:57:35.491Z

Link: CVE-2026-83746

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-13T19:20:20.157

Modified: 2026-10-13T21:18:44.960

Link: CVE-2026-83746

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses