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CVE-2017-11786

UnknownEPSS 9.39%

Last modified

CVE-2017-11786 is a vulnerability of currently unknown severity. 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.". EPSS estimates a 9.39% chance of exploitation in the next 30 days.

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."

Metrics

EPSS Probability
9.39%

94.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MicrosoftLync2013Sp1
MicrosoftSkype For Business2016—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-11786?
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."
How severe is CVE-2017-11786?
Severity scoring for CVE-2017-11786 is pending analysis. The EPSS model estimates a 9.39% probability of exploitation in the next 30 days.
How do I fix CVE-2017-11786?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST