CVE-2017-11786
high
CVSS v3
8.8
CVSS v4 NEW
—
VIR risk
8.8
Description
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."
Predictions
Exploit likelihood
92%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| microsoft | lync | 2013 | |
| microsoft | skype_for_business | 2016 | |
References
- http://www.securityfocus.com/bid/101156
- http://www.securitytracker.com/id/1039530
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786
- http://www.securityfocus.com/bid/101156
- http://www.securitytracker.com/id/1039530
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11786
CWEs
CWE-294
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.