Vulnerability in Microsoft Lync
CVE-2018-8238
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.060 (93.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.058 · newest: 0.060 · change: +0.002
Affected products
- Microsoft Lync — versions 2013
- Microsoft Lync — versions 2013 Service Pack 1 (32-bit), 2013 Service Pack 1 (64-bit)
- Microsoft Skype — versions Business 2016 (32-bit), Business 2016 (64-bit)
- Microsoft Skype For Business — versions 2016
References
- www.securityfocus.com/bid/104619 (VDB Entry, Third Party Advisory, vdb-entry)
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8238 (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-8238?
- CVE-2018-8238 is a high-severity vulnerability in Microsoft Lync. CVSS score: 7.8/10. Published 2018-07-11.
- How severe is CVE-2018-8238?
- High severity. CVSS v3 base score is 7.8 out of 10.