CVE-2018-8238

Description

A security feature bypass vulnerability exists when Skype for Business or Lync do not properly parse UNC path links shared via messages, aka "Skype for Business and Lync Security Feature Bypass Vulnerability." This affects Skype, Microsoft Lync.

7.8

CVSS

Severity: High

CVSS 3.0 •

CVSS 2.0 •

EPSS 6.70% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Skype

Affected: Microsoft Microsoft Lync

References

Link	Tags
http://www.securityfocus.com/bid/104619	third party advisory vdb entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8238	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-8238?: CVE-2018-8238 has been scored as a high severity vulnerability.
How to fix CVE-2018-8238?: To fix CVE-2018-8238, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-8238 being actively exploited in the wild?: It is possible that CVE-2018-8238 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-8238?: CVE-2018-8238 affects Microsoft Skype, Microsoft Microsoft Lync.

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