CVE-2019-1215

Confirmed PUBLISHED

An elevation of privilege vulnerability exists in the way that ws2ifsl.sys (Winsock) handles objects in memory, aka 'Windows Elevation of Privilege...

Microsoft · Windows, Windows Server, Windows 10 Version 1903 for 32-bit Systems, Windows 10 Version 1903 for x64-based Systems, Windows 10 Version 1903 for ARM64-based Systems, Windows Server, version 1903 (Server Core installation)
Exploited in the wild Used in malware PoC available

Recommended Action

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Confidence
Confirmed
Exploitation Status
Exploited in the wild
Observed in Sensors
No
Attempts (30d)
Unique Attacker IPs
CISA KEV
In CISA KEV
CVSS / EPSS
7.8 High

At a Glance

An elevation of privilege vulnerability exists in the way that ws2ifsl.sys (Winsock) handles objects in memory, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1253, CVE-2019-1278, CVE-2019-1303.

microsoft windows cisa malware ransomware
CVE Published
Sep 11, 2019
Exploitation Reported
Nov 03, 2021
CVSS
7.8 High
EPSS
Low complexity No user interaction

Affected Versions

41 version rows · page 2 of 2

Vendor Product Version Status
Microsoft
Windows Server

2012 (Core installation)

Affected
Microsoft
Windows Server

2012 R2

Affected
Microsoft
Windows Server

2012 R2 (Core installation)

Affected
Microsoft
Windows Server

2016

Affected
Microsoft
Windows Server

2016 (Core installation)

Affected
Microsoft
Windows Server

version 1803 (Core Installation)

Affected
Microsoft
Windows Server

2019

Affected
Microsoft
Windows Server

2019 (Core installation)

Affected
Microsoft
Windows Server

2008 for Itanium-Based Systems Service Pack 2

Affected
Microsoft
Windows Server

2008 for 32-bit Systems Service Pack 2

Affected
Microsoft
Windows Server

2008 for x64-based Systems Service Pack 2

Affected
Microsoft
Windows Server

2008 for x64-based Systems Service Pack 2 (Core installation)

Affected
Microsoft
Windows 10 Version 1903 for 32-bit Systems

unspecified

Affected
Microsoft
Windows 10 Version 1903 for x64-based Systems

unspecified

Affected
Microsoft
Windows 10 Version 1903 for ARM64-based Systems

unspecified

Affected
Microsoft
Windows Server, version 1903 (Server Core installation)

unspecified

Affected

CVE References

Recommended Actions

  • Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
  • Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
  • Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.