What is CVE-2024-21443?

CVE-2024-21443 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Kernel Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2024-21443 cover?

CVE-2024-21443 covers the following CVE IDs: CVE-2024-21443. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2024-21443?

CVE-2024-21443 has a CVSS v3 base score of 7.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2024-21443?

CVE-2024-21443 affects 20 products, including: 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 21H2 for 32-bit Systems; Windows 10 Version 21H2 for ARM64-based Systems; and others — see the full list on the advisory page.

CVE-2024-21443HighCVSS 7.3

Windows Kernel Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

March 12, 2024

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2024-21443 →

📋 Description

According to the CVSS metric, user interaction is required (UI:R). What does that mean for this vulnerability? An administrative user must be convinced to open a malicious COM object like an .rtf file.

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

🎯 Affected products20

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 21H2 for 32-bit Systems
Windows 10 Version 21H2 for ARM64-based Systems
Windows 10 Version 21H2 for x64-based Systems
Windows 10 Version 22H2 for 32-bit Systems
Windows 10 Version 22H2 for ARM64-based Systems
Windows 10 Version 22H2 for x64-based Systems
Windows 11 Version 22H2 for ARM64-based Systems
Windows 11 Version 22H2 for x64-based Systems
Windows 11 Version 23H2 for ARM64-based Systems
Windows 11 Version 23H2 for x64-based Systems
Windows 11 version 21H2 for ARM64-based Systems
Windows 11 version 21H2 for x64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server 2022
Windows Server 2022 (Server Core installation)
Windows Server 2022, 23H2 Edition (Server Core installation)

✅ Remediation

KB5035849 (Security Update) — fixed build 10.0.17763.5576 KB5035857 (Security Update) — fixed build 10.0.20348.2340 KB5035959 (SecurityHotpatchUpdate) — fixed build 10.0.20348.2333 KB5035854 (Security Update) — fixed build 10.0.22000.2836 KB5035845 (Security Update) — fixed build 10.0.19044.4170 KB5035853 (Security Update) — fixed build 10.0.22621.3296 KB5035845 (Security Update) — fixed build 10.0.19045.4170 KB5035853 (Security Update) — fixed build 10.0.22631.3296 KB5035856 (Security Update) — fixed build 10.0.25398.763

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products20

✅ Remediation

🔗 References (15)