CVE-2017-11786
HIGHMicrosoft Lync/Skype for Business - Privilege Escalation
Title source: llmDescription
Skype for Business in Microsoft Lync 2013 SP1 and Skype for Business 2016 allows an attacker to steal an authentication hash that can be reused elsewhere, due to how Skype for Business handles authentication requests, aka "Skype for Business Elevation of Privilege Vulnerability."
References (3)
Core 3
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/101156
Patch, Vendor Advisory x_refsource_confirm
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039530
Scores
CVSS v3
8.8
EPSS
0.0939
EPSS Percentile
94.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-294
Status
published
Products (3)
microsoft/lync
2013 sp1
microsoft/skype_for_business
2016
Microsoft Corporation/Skype for Business
Microsoft Lync 2013 SP1 and Skype for Business 2016
Published
Oct 13, 2017
Tracked Since
Feb 18, 2026