CVE-2019-0797CISA KEV

Microsoft Win32k Privilege Escalation Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Win32k contains a privilege escalation vulnerability when the Win32k component fails to properly handle objects in memory. Successful exploitation allows an attacker to execute code in kernel mode.

Product: Win32k
Added to KEV: 3 Nov 2021
Federal remediation due: 3 May 2022
Known ransomware use: Not reported

Page history

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Field-level log (2)

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23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2019-0797. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2019-0797

Published

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": "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)"
                        }
                    ]
                }

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": "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"
                        }
                    ]
                }

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