What is CVE-2021-43893?

CVE-2021-43893 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2021-43893 cover?

CVE-2021-43893 covers the following CVE IDs: CVE-2021-43893. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-43893?

CVE-2021-43893 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-43893?

CVE-2021-43893 affects 46 products, including: Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for ARM64-based Systems; Windows 10 Version 1809 for x64-based Systems; and others — see the full list on the advisory page.

CVE-2021-43893HighCVSS 7.5

Windows Encrypting File System (EFS) Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

December 14, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-43893 →

🎯 Affected products46

Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows 10 Version 21H1 for 32-bit Systems
Windows 10 Version 21H1 for ARM64-based Systems
Windows 10 Version 21H1 for x64-based Systems
Windows 10 Version 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 11 version 21H2 for ARM64-based Systems
Windows 11 version 21H2 for x64-based Systems
Windows 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
+16 more not shown

✅ Remediation

KB5008218 (Security Update) — fixed build 10.0.17763.2366 KB5008206 (Security Update) — fixed build 10.0.18363.1977 KB5008212 (Security Update) — fixed build 10.0.19043.1415 KB5008223 (Security Update) — fixed build 10.0.20348.405 KB5008212 (Security Update) — fixed build 10.0.19041.1415 KB5008212 (Security Update) — fixed build 10.0.19042.1415 KB5008215 (Security Update) — fixed build 10.0.22000.376 KB5008212 (Security Update) — fixed build 10.0.19044.1415 KB5008230 (Security Update) — fixed build 10.0.10240.19145 KB5008207 (Security Update) — fixed build 10.0.14393.4825 KB5008244 (Monthly Rollup) — fixed build 6.1.7601.25796 KB5008282 (Security Only) — fixed build 6.1.7601.25796 KB5008263 (Monthly Rollup) — fixed build 6.3.9600.20207 KB5008285 (Security Only) — fixed build 6.3.9600.20207 KB5008274 (Monthly Rollup) — fixed build 6.0.6003.21309 KB5008271 (Security Only) — fixed build 6.0.6003.21309 KB5008277 (Monthly Rollup) — fixed build 6.2.9200.23545 KB5008255 (Security Only) — fixed build 6.2.9200.23540

🔗 CVE IDs covered (1)

🎯 Affected products46

✅ Remediation

🔗 References (28)