CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2021-43893
High (7.5) in microsoft. EPSS 6.7% chance of exploitation in the next 30 days.
Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability
Severity
- EPSS
- 6.7% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
- CWE
- CWE-668
- Published
- Modified
- Record from
- the NVD, synced
Affected
- microsoft:windows_10
- microsoft:windows_11
- microsoft:windows_7
- microsoft:windows_8.1
- microsoft:windows_rt_8.1
- microsoft:windows_server
- microsoft:windows_server_2008
- microsoft:windows_server_2012
- microsoft:windows_server_2016
- microsoft:windows_server_2019
References
- http://packetstormsecurity.com/files/165560/Microsoft-Windows-EFSRPC-Arbitrary-File-Upload-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43893
- http://packetstormsecurity.com/files/165560/Microsoft-Windows-EFSRPC-Arbitrary-File-Upload-Privilege-Escalation.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43893