TI-2019-00910 Aliases CVE-2019-1185 GHSA-hc8w-p2wf-g46r

Windows Subsystem for Linux Elevation of Privilege Vulnerability

LOW 36CWE-121Published 2019-08-14 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

An elevation of privilege vulnerability exists due to a stack corruption in Windows Subsystem for Linux. An attacker who successfully exploited the vulnerability could execute code with elevated permissions. To exploit the vulnerability, a locally authenticated attacker could run a specially crafted application. The security update addresses the vulnerability by correcting how Windows Subsystem for Linux handles objects in memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01096 65th percentileScored 2026-11-07

Fix Fixed Windows 10 Version 1903 for 32-bit Systems (Microsoft): publicationWindows 10 Version 1903 for x64-based Systems (Microsoft): publication+2 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	Windows 10 Version 1903 for 32-bit Systems	10.0.0 to before publication	publication	Patch available	CNA
Microsoft	Windows 10 Version 1903 for x64-based Systems	10.0.0 to before publication	publication	Patch available	CNA
Microsoft	Windows 10 Version 1903 for ARM64-based Systems	10.0.0 to before publication	publication	Patch available	CNA
Microsoft	Windows Server, version 1903 (Server Core installation)	10.0.0 to before publication	publication	Patch available	CNA

Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
Windows 10 Version 1903 for ARM64-based Systems VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA
Windows Server, version 1903 (Server Core installation) VendorMicrosoft Affected 10.0.0 to before publication Fixed in publication Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:microsoft:windows_10:1903:::::::*	1903	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_server_2016:1903:::::::*	1903	Vulnerable	Microsoft

cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* Versions 1903 Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* Versions 1903 Vulnerable ·Microsoft

Remediation

Fix · CNA Windows 10 Version 1903 for 32-bit Systems (Microsoft) Fixed in publication
Fix · CNA Windows 10 Version 1903 for x64-based Systems (Microsoft) Fixed in publication
Fix · CNA Windows 10 Version 1903 for ARM64-based Systems (Microsoft) Fixed in publication
Fix · CNA Windows Server, version 1903 (Server Core installation) (Microsoft) Fixed in publication

Timeline

2026-10-02 Threatist record created from CVE-2019-1185
2026-10-03 Alias added: GHSA-hc8w-p2wf-g46r

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1185

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TI-2019-00906 Remote Desktop Services Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2022-15533 Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
TI-2015-01587 Mount Manager in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows… KEVCVSS 3.1MEDIUM 6.6

See all 2973 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences