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Findings

CVE-2019-0543

Microsoft Windows Privilege Escalation Vulnerability

Published Jan 8, 2019 · updated Jun 16, 2026 · microsoft windows 10 1507

An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 8, 2019 · Catalog

    Detected

    An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

  2. Mar 15, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Apr 5, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows Server 2012, Windows 8.1, Windows Server 2016, Windows Server 2008 R2, Windows 10, Windows 10 Servers.

Required action

Apply updates per vendor instructions.

CISA due date Apr 5, 2022

Affected

  • cpe microsoft/windows 10 1507version unspecified
  • cpe microsoft/windows 10 1607version unspecified
  • cpe microsoft/windows 10 1703version unspecified
  • cpe microsoft/windows 10 1709version unspecified
  • cpe microsoft/windows 10 1803version unspecified
  • vendor Microsoft Windowsversion unspecified

Sources

  • CISA KEVCVE-2019-0543

    A privilege escalation vulnerability exists when Windows improperly handles authentication requests. An attacker who successfully exploited this vulnerability could run processes in an elevated context.

    cisa.gov
  • CVE.orgCVE-2019-0543

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2019-0543

    30-day exploitation probability 4.7%

    first.org
  • Exploit Database46156

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDCVE-2019-0543

    An elevation of privilege vulnerability exists when Windows improperly handles authentication requests, aka "Microsoft Windows Elevation of Privilege Vulnerability." This affects Windows 7, Windows Server 2012 R2, Windows RT 8.1, Windows Server 2008, Windows Server 2019, Windows

    nvd.nist.gov

References