CVE-2021-43893

CWE-668 — Exposure to Wrong Sphere4 documents4 sources
Severity
7.5HIGH
EPSS
6.8%
top 8.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
30
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+27 more
Timeline
PublishedDec 15
Latest updateDec 16

Description

Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9

Affected Packages30 packages

▶CVEListV5microsoft/windows_76.1.0 — 6.1.7601.25796
▶CVEListV5microsoft/windows_8.16.3.0 — 6.3.9600.20207
▶CVEListV5microsoft/windows_server_20126.2.0 — 6.2.9200.23545+1
▶CVEListV5microsoft/windows_server_201610.0.0 — 10.0.14393.4825
▶CVEListV5microsoft/windows_server_201910.0.0 — 10.0.17763.2366

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-jx9r-hrmg-9q76: Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability↗2021-12-16
▶
CVEList
Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability↗2021-12-15
▶

📋Vendor Advisories

1
Microsoft
Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability↗2021-12-14
▶
CVE-2021-43893 (HIGH CVSS 7.5) | Windows Encrypting File System (EFS | cvebase.io