Privilege escalation in Microsoft Windows 10
CVE-2021-34487
Windows Event Tracing Elevation of Privilege Vulnerability
Vulnerability class: Privilege Escalation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.3% 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
- Microsoft Windows 10 — versions 20h2, 21h1, 1607
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0, 10.0.0
- Microsoft Windows 10 Version 1809 — versions 10.0.0, 10.0.17763.0
- Microsoft Windows 10 Version 1909 — versions 10.0.0
- Microsoft Windows 10 Version 2004 — versions 10.0.0
- Microsoft Windows 10 Version 20h2 — versions 10.0.0
- Microsoft Windows 10 Version 21h1 — versions 10.0.0
- Microsoft Windows Server 2016 — versions 10.0.14393.0, 10.0.0
- Microsoft Windows Server 2016 — versions 20h2, 2004
- Microsoft Windows Server 2016 (Server Core Installation) — versions 10.0.14393.0, 10.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- af854a3a-2127-422b-91ae-364da2661108 (Patch, Vendor Advisory)
- msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34487 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2021-34487?
- CVE-2021-34487 is a high-severity vulnerability in Microsoft Windows 10, classified under Improper Privilege Management. CVSS score: 7.0/10. Published 2021-08-12.
- How severe is CVE-2021-34487?
- High severity. CVSS v3 base score is 7.0 out of 10.
- Is CVE-2021-34487 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.