Privilege escalation in Microsoft Windows 10
CVE-2021-31169
Windows Container Manager Service Elevation of Privilege Vulnerability
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (60.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Microsoft Windows 10 — versions 20h2, 2004
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows Server 2016 — versions 20h2, 2004
- Microsoft Windows Server Version 2004 — versions 10.0.0
- Microsoft Windows Server Version 20h2 — versions 10.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31169 (Patch, Vendor Advisory)
- packetstormsecurity.com/files/162557/Windows-Container-Manager-Service-Arbitrar… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-31169?
- CVE-2021-31169 is a high-severity vulnerability in Microsoft Windows 10, classified under Improper Privilege Management. CVSS score: 7.8/10. Published 2021-05-11.
- How severe is CVE-2021-31169?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2021-31169 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.