Junglewise Threat Intelligence

CVE-2019-1215: Microsoft Windows Privilege Escalation Vulnerability

CVE-2019-1215 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

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

Executive brief

An elevation of privilege vulnerability exists in the Microsoft Windows Winsock driver (ws2ifsl.sys) due to improper handling of objects in memory. A local attacker can exploit this to execute arbitrary code with elevated system privileges.

Affected products

  • Microsoft Windows 7 Service Pack 1
  • Microsoft Windows 8.1
  • Microsoft Windows RT 8.1
  • Microsoft Windows 10 1507, 1607, 1703, 1709, 1803, 1809, 1903
  • Microsoft Windows Server 2008 Service Pack 2, R2 Service Pack 1
  • Microsoft Windows Server 2012 Gold, R2
  • Microsoft Windows Server 2016 Gold, 1803, 1903
  • Microsoft Windows Server 2019

Timeline

  • 2019-09-11: disclosed: Initial Microsoft advisory published
  • 2019-09-12: other: Initial NVD analysis completed
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: exploited: Confirmed as exploited in the wild per CISA KEV catalog

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