CVE-2018-8311

Description

A remote code execution vulnerability exists when Skype for Business and Microsoft Lync clients fail to properly sanitize specially crafted content, aka "Remote Code Execution Vulnerability in Skype For Business and Lync." This affects Skype, Microsoft Lync.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 23.48% Top 5%
Vendor Advisory microsoft.com
Affected: Microsoft Skype
Affected: Microsoft Microsoft Lync
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/104624 vdb entry third party advisory
http://www.securitytracker.com/id/1041259 vdb entry third party advisory
http://www.securitytracker.com/id/1041260 vdb entry third party advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8311 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-8311?
CVE-2018-8311 has been scored as a high severity vulnerability.
How to fix CVE-2018-8311?
To fix CVE-2018-8311, 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-2018-8311 being actively exploited in the wild?
It is possible that CVE-2018-8311 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~23% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-8311?
CVE-2018-8311 affects Microsoft Skype, Microsoft Microsoft Lync.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.