HIGHCVSS 7.8Actively exploited · CISA KEV since 2022-03-28Vulnerability
CVE-2021-34486
Microsoft Windows Event Tracing contains an unspecified vulnerability which can allow for privilege escalation.
Properties
- Euvd product
- Windows 10 Version 1809, Windows 10 Version 20H2, Windows Server version 20H2, Windows 10 Version 21H1, Windows 10 Version 2004, Windows Server 2019 (Server Core installation), Windows 10 Version 1909, Windows Server 2019, Windows Server version 2004
- Vulnerability name
- Microsoft Windows Event Tracing Privilege Escalation Vulnerability
- First seen
- 2026-08-10T15:09:56+00:00
- Cvss score
- 7.8
- Epss score
- 0.09253
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2022-04-18
- Euvd assigner
- microsoft
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2022-03-28T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2022-03-28
- Euvd base score version
- 3.1
- Score
- 7.8
- Fetched at
- 2026-10-20T10:36:20+00:00
- Euvd vendor
- Microsoft
- Cvss vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- In Signal since
- initial import (Sep 2026)
- Euvd base score
- 7.8
Related Entities (11)
AFFECTS_PRODUCT (8)
DESCRIBES (1)
HAS_WEAKNESS (1)
INVOLVES (1)
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