What is CVE-2018-0821?

CVE-2018-0821 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-2018-0821.

Which CVE IDs does CVE-2018-0821 cover?

CVE-2018-0821 covers the following CVE IDs: CVE-2018-0821. Each CVE has its own detail page on EchelonGraph Pulse with its EchelonGraph score.

What is the CVSS v3 score of CVE-2018-0821?

CVE-2018-0821 has a CVSS v3 base score of 5.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2018-0821?

CVE-2018-0821 affects 13 products, including: Windows 10 Version 1511 for 32-bit Systems; Windows 10 Version 1511 for x64-based Systems; Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1703 for 32-bit Systems; and others — see the full list on the advisory page.

How do I remediate CVE-2018-0821?

Microsoft lists 5 KB articles for CVE-2018-0821: KB4074588, KB4074592, KB4074596, KB4074591, KB4074590. Each is listed on this page with its update type and, where Microsoft gives one, its fixed build; Microsoft's advisory is at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-0821.

CVE-2018-0821HighMicrosoft CVSS 5.3CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L/E:P/RL:O/RC:C

Microsoft security update for CVE-2018-0821 — Windows

Vendor

Microsoft Security Response Center (MSRC)

Published

February 13, 2018

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2018-0821 →

📋 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-2018-0821. This page also shows what EchelonGraph holds for CVE-2018-0821, 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 products13

Windows 10 Version 1511 for 32-bit Systems
Windows 10 Version 1511 for x64-based Systems
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
Windows 10 Version 1703 for 32-bit Systems
Windows 10 Version 1703 for x64-based Systems
Windows 10 Version 1709 for 32-bit Systems
Windows 10 Version 1709 for x64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server, version 1709 (Server Core Installation)

✅ Updates Microsoft lists: 5 KB articles

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

KB article	Update	Fixed build
KB4074588	Security Update	—
KB4074592	Security Update	—
KB4074596	Security Update	—
KB4074591	Security Update	—
KB4074590	Security Update	—

🧭 EchelonGraph on CVE-2018-0821

EchelonGraph score: 7.0 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

AppContainer in Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows Server, version 1709 allows an elevation of privilege vulnerability due to the way constrained impersonations are handled, aka "Windows AppContainer Elevation Of Privilege Vulnerability".

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2018-0821, 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 products13

✅ Updates Microsoft lists: 5 KB articles

🧭 EchelonGraph on CVE-2018-0821

🔗 References (6)