Vulnerability in Microsoft Windows
CVE-2019-14743
In Valve Steam Client for Windows through 2019-08-07, HKLM\SOFTWARE\Wow6432Node\Valve\Steam has explicit "Full control" for the Users group, which allows local users to gain NT AUTHORITY\SYSTEM access.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- amonitoring.ru/article/steamclient-0day/ (Exploit, Patch, Third Party Advisory)
- habr.com/ru/company/pm/blog/462479/ (Exploit, Patch, Third Party Advisory)
- github.com/alexanderbittner/steam-privesc/
Frequently asked questions
- What is CVE-2019-14743?
- CVE-2019-14743 is a medium-severity vulnerability in Microsoft Windows, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 6.6/10. Published 2019-08-07.
- How severe is CVE-2019-14743?
- Medium severity. CVSS v3 base score is 6.6 out of 10.
- Is CVE-2019-14743 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.