What is CVE-2019-1126?

CVE-2019-1126 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-2019-1126.

Which CVE IDs does CVE-2019-1126 cover?

CVE-2019-1126 covers the following CVE IDs: CVE-2019-1126. Each CVE has its own detail page on EchelonGraph Pulse with its EchelonGraph score.

What is the CVSS v3 score of CVE-2019-1126?

CVE-2019-1126 has a CVSS v3 base score of 5.3, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2019-1126?

CVE-2019-1126 affects 8 products, including: Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); Windows Server 2016; Windows Server 2016 (Server Core installation); Windows Server 2019; and others — see the full list on the advisory page.

How do I remediate CVE-2019-1126?

Microsoft lists 6 KB articles for CVE-2019-1126: KB4507435, KB4507469, KB4507453, KB4507460, KB4507448, KB4507457. 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-2019-1126.

CVE-2019-1126HighMicrosoft CVSS 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C

Microsoft security update for CVE-2019-1126 — Windows

Vendor

Microsoft Security Response Center (MSRC)

Published

July 9, 2019

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2019-1126 →

📋 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-2019-1126. This page also shows what EchelonGraph holds for CVE-2019-1126, 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 products8

Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server, version 1803 (Server Core Installation)
Windows Server, version 1903 (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
KB4507435	Security Update	—
KB4507469	Security Update	—
KB4507453	Security Update	—
KB4507460	Security Update	—
KB4507448	Monthly Rollup	—
KB4507457	Security Only	—

🧭 EchelonGraph on CVE-2019-1126

EchelonGraph score: 5.3 MEDIUM
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

A security feature bypass vulnerability exists in Active Directory Federation Services (ADFS) which could allow an attacker to bypass the extranet lockout policy.To exploit this vulnerability, an attacker could run a specially crafted application, which would allow an attacker to launch a password brute-force attack or cause account lockouts in Active Directory.This security update corrects how ADFS handles external authentication requests., aka 'ADFS Security Feature Bypass Vulnerability'. This CVE ID is unique from CVE-2019-0975.

Published by Microsoft Corporation, the CVE Numbering Authority that assigned CVE-2019-1126, 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 products8

✅ Updates Microsoft lists: 6 KB articles

🧭 EchelonGraph on CVE-2019-1126

🔗 References (13)