CVE-2019-0859

Windows · elevation of privilege

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2019-0859

Published

An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory, aka 'Win32k Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-0685, CVE-2019-0803.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2019-0859

Published

Windows

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "product": "Windows",
                    "vendor": "Microsoft",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "7 for 32-bit Systems Service Pack 1"
                        },
                        {
                            "status": "affected",
                            "version": "7 for x64-based Systems Service Pack 1"
                        },
                        {
                            "status": "affected",
                            "version": "8.1 for 32-bit systems"
                        },
                        {
                            "status": "affected",
                            "version": "8.1 for x64-based systems"
                        },
                        {
                            "status": "affected",
                            "version": "RT 8.1"
                        },
                        {
                            "status": "affected",
                            "version": "10 for 32-bit Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 for x64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1607 for 32-bit Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1607 for x64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1703 for 32-bit Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1703 for x64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1709 for 32-bit Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1709 for x64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1803 for 32-bit Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1803 for x64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1803 for ARM64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1809 for 32-bit Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1809 for x64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1809 for ARM64-based Systems"
                        },
                        {
                            "status": "affected",
                            "version": "10 Version 1709 for ARM64-based Systems"
                        }
                    ]
                }

Windows Server

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "product": "Windows Server",
                    "vendor": "Microsoft",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "2008 R2 for x64-based Systems Service Pack 1 (Core installation)"
                        },
                        {
                            "status": "affected",
                            "version": "2008 R2 for Itanium-Based Systems Service Pack 1"
                        },
                        {
                            "status": "affected",
                            "version": "2008 R2 for x64-based Systems Service Pack 1"
                        },
                        {
                            "status": "affected",
                            "version": "2008 for 32-bit Systems Service Pack 2 (Core installation)"
                        },
                        {
                            "status": "affected",
                            "version": "2012"
                        },
                        {
                            "status": "affected",
                            "version": "2012 (Core installation)"
                        },
                        {
                            "status": "affected",
                            "version": "2012 R2"
                        },
                        {
                            "status": "affected",
                            "version": "2012 R2 (Core installation)"
                        },
                        {
                            "status": "affected",
                            "version": "2016"
                        },
                        {
                            "status": "affected",
                            "version": "2016  (Core installation)"
                        },
                        {
                            "status": "affected",
                            "version": "version 1709  (Core Installation)"
                        },
                        {
                            "status": "affected",
                            "version": "version 1803  (Core Installation)"
                        },
                        {
                            "status": "affected",
                            "version": "2019"
                        },
                        {
                            "status": "affected",
                            "version": "2019  (Core installation)"
                        },
                        {
                            "status": "affected",
                            "version": "2008 for Itanium-Based Systems Service Pack 2"
                        },
                        {
                            "status": "affected",
                            "version": "2008 for 32-bit Systems Service Pack 2"
                        },
                        {
                            "status": "affected",
                            "version": "2008 for x64-based Systems Service Pack 2"
                        },
                        {
                            "status": "affected",
                            "version": "2008 for x64-based Systems Service Pack 2 (Core installation)"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON