HIGHCVSS 7.8Actively exploited · CISA KEV since 2022-02-10Vulnerability
CVE-2021-36934
If a Volume Shadow Copy (VSS) shadow copy of the system drive is available, users can read the SAM file which would allow any user to escalate privileges to SYSTEM level.
Properties
- Euvd product
- Windows 10 Version 1809, Windows 10 Version 20H2, Windows 10 Version 1909, Windows 10 Version 2004, Windows 10 Version 21H1
- Vulnerability name
- Microsoft Windows SAM Local Privilege Escalation Vulnerability
- First seen
- 2026-08-10T15:11:26+00:00
- Cvss score
- 7.8
- Epss score
- 0.67252
- Last seen
- 2026-10-19T12:00:27+00:00
- Due date
- 2022-02-24
- Euvd assigner
- microsoft
- Retrieved at
- 2026-10-21T01:24:47+00:00
- Exploited euvd since
- 2022-02-10T00:00:00+00:00
- Src batch id
- epss_history-20261020T103617Z-728ddd
- Source url
- https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
- Date added
- 2022-02-10
- 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 (7)
AFFECTS_PRODUCT (5)
DESCRIBES (1)
INVOLVES (1)
Explore deeper with Ninja Signal's threat intelligence graph