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 1 of 2

Vendor Product Version Status
Microsoft
Windows

7 for 32-bit Systems Service Pack 1

Affected
Microsoft
Windows

7 for x64-based Systems Service Pack 1

Affected
Microsoft
Windows

8.1 for 32-bit systems

Affected
Microsoft
Windows

8.1 for x64-based systems

Affected
Microsoft
Windows

RT 8.1

Affected
Microsoft
Windows

10 for 32-bit Systems

Affected
Microsoft
Windows

10 for x64-based Systems

Affected
Microsoft
Windows

10 Version 1607 for 32-bit Systems

Affected
Microsoft
Windows

10 Version 1607 for x64-based Systems

Affected
Microsoft
Windows

10 Version 1703 for 32-bit Systems

Affected
Microsoft
Windows

10 Version 1703 for x64-based Systems

Affected
Microsoft
Windows

10 Version 1709 for 32-bit Systems

Affected
Microsoft
Windows

10 Version 1709 for x64-based Systems

Affected
Microsoft
Windows

10 Version 1803 for 32-bit Systems

Affected
Microsoft
Windows

10 Version 1803 for x64-based Systems

Affected
Microsoft
Windows

10 Version 1803 for ARM64-based Systems

Affected
Microsoft
Windows

10 Version 1809 for 32-bit Systems

Affected
Microsoft
Windows

10 Version 1809 for x64-based Systems

Affected
Microsoft
Windows

10 Version 1809 for ARM64-based Systems

Affected
Microsoft
Windows

10 Version 1709 for ARM64-based Systems

Affected
Microsoft
Windows Server

2008 R2 for x64-based Systems Service Pack 1 (Core installation)

Affected
Microsoft
Windows Server

2008 R2 for Itanium-Based Systems Service Pack 1

Affected
Microsoft
Windows Server

2008 R2 for x64-based Systems Service Pack 1

Affected
Microsoft
Windows Server

2008 for 32-bit Systems Service Pack 2 (Core installation)

Affected
Microsoft
Windows Server

2012

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.