CVE-2018-8238
highpriority · track · 33EPSS 0.060 · 93 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (6)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8238cnnvd
- https://www.securityfocus.com/bid/104619cnnvd
- http://www.securityfocus.com/bid/104619enisa_euvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8238enisa_euvd
- http://www.securityfocus.com/bid/104619Third Party AdvisoryVDB Entrynvd
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8238PatchVendor Advisorynvd
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