Junglewise Threat Intelligence

CVE-2019-0543: Microsoft Windows Privilege Escalation Vulnerability

CVE-2019-0543 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2022-03-15

Technologies: Microsoft Windows, Microsoft Windows Server 2012 R2, Microsoft Windows Server 2012, Microsoft Windows 8.1, Microsoft Windows 10, Microsoft Windows Server 2019, Microsoft Windows Server 2016, Microsoft Windows 7, Microsoft Windows Server 2008, Microsoft Windows Server 2008 R2, Microsoft Windows Rt 8.1. Vendors: Microsoft.

Executive brief

An elevation of privilege vulnerability exists in Microsoft Windows when the operating system improperly handles authentication requests. A local attacker who successfully exploits this vulnerability could run processes in an elevated context.

Affected products

  • Microsoft Windows 7
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows 10
  • Microsoft Windows Server 2008
  • Microsoft Windows Server 2008 R2
  • Microsoft Windows Server 2012
  • Microsoft Windows Server 2012 R2
  • Microsoft Windows Server 2016
  • Microsoft Windows Server 2019

Timeline

  • 2019-01-08: disclosed: Initial disclosure date based on MSRC/SecurityFocus records.
  • 2022-03-15: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.
  • 2022-03-15: exploited: Confirmed as exploited in the wild.

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