9.3

CVE-2018-8238: microsoft lync

CVSS: 9.3v2.0HighModified
Published 11-07-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8238 is a high (CVSS 9.3) vulnerability in microsoft lync. EPSS estimates a 5.99% chance of exploitation in the next 30 days, higher than 93.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
5.99%
0%100%
Low · +0.17 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-07-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

5.99%

Chance of exploitation in the next 30 days

Percentile

93%

Versus all other CVEs

30-day change

+0.17 pp

From 5.82% on 18-09-2026

18-09-202618-10-2026
EPSS score
5.99%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Microsoft4 products

1 vendor · 4 products

References

2 links