CVE-2021-31956
Windows NTFS Elevation of Privilege Vulnerability
KEVHIGH 7.8EPSS 22.3%
Windows NTFS Elevation of Privilege Vulnerability
- Affected
- Microsoft · Windows 10 Version 1809 · Windows Server 2019 · Windows Server 2019 (Server Core installation) · Windows 10 Version 1909 · Windows 10 Version 21H1 · Windows 10 Version 2004
- CVSS v3.1 NVD
- 7.8 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS v2.0 NVD
- 9.3 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C - EPSS
- 22.27% chance of exploitation in the next 30 days, 98th percentile
- CISA KEV
- added 2021-11-03
- Published
- 2021-06-08
- Updated
- 2026-01-12
Proof-of-concept exploits (8)
- DaoshuReal/UAC-Elevation-CVE0★ · 2025-05-07
- MrAle98/CVE-2025-21333-POC232★ · 2025-04-12
- Y3A/CVE-2021-319565★ · 2022-09-02
- aazhuliang/CVE-2021-31956-EXP39★ · 2022-01-11
- cbwang505/poolfengshui77★ · 2021-12-31
- deletehead/Pool-Overflow-CVE-2021-319560★ · 2025-06-17
- hoangprod/CVE-2021-31956-POC4★ · 2023-06-05
- hzshang/CVE-2021-319560★ · 2021-11-22