What is CVE-2021-40441?

CVE-2021-40441 is a security advisory published by Microsoft with High severity. EchelonGraph links Microsoft's advisory rather than copying its page; it is at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40441.

Which CVE IDs does CVE-2021-40441 cover?

CVE-2021-40441 covers the following CVE IDs: CVE-2021-40441. Each CVE has its own detail page on EchelonGraph Pulse with its EchelonGraph score.

What is the CVSS v3 score of CVE-2021-40441?

CVE-2021-40441 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-40441?

CVE-2021-40441 affects 11 products, including: 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; and others — see the full list on the advisory page.

How do I remediate CVE-2021-40441?

Microsoft lists 6 KB articles for CVE-2021-40441: KB5008244, KB5008282, KB5008263, KB5008285, KB5008277, KB5008255. Each is listed on this page with its fixed build; Microsoft's advisory is at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40441.

CVE-2021-40441HighMicrosoft CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Microsoft security update for CVE-2021-40441 — Windows

Vendor

Microsoft Security Response Center (MSRC)

Published

December 14, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-40441 →

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40441. This page also shows what EchelonGraph holds for CVE-2021-40441, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products11

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)
Windows Server 2012
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)

✅ Updates Microsoft lists: 6 KB articles

6 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB article	Update	Fixed build
KB5008244	Monthly Rollup	6.1.7601.25796
KB5008282	Security Only	6.1.7601.25796
KB5008263	Monthly Rollup	6.3.9600.20207
KB5008285	Security Only	6.3.9600.20207
KB5008277	Monthly Rollup	6.2.9200.23545
KB5008255	Security Only	6.2.9200.23540

🧭 EchelonGraph on CVE-2021-40441

EchelonGraph score: 7.8 HIGH
CISA KEV: Not listed
Fix status: A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

Windows Media Center Elevation of Privilege Vulnerability

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2021-40441, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

🎯 Affected products11

✅ Updates Microsoft lists: 6 KB articles

🧭 EchelonGraph on CVE-2021-40441

🔗 References (13)