CVE-2026-83746

Published: Oct 13, 2026Modified: Oct 13, 2026

8.1

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Exploitability: 2.8 / Impact: 5.2

Source: secure@microsoft.com (Secondary)

Description

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

Related CWEs

Absolute Path Traversal

The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize absolute path sequences such as "/abs/path" that can resolve to a location that is outside of that directory.

References (1)

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

Source: secure@microsoft.com

Timeline

No history available yet.