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CVE-2019-1253CISA KEV

Microsoft Windows AppX Deployment Server 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

A privilege escalation vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.

Product: Windows
Added to KEV: 15 Mar 2022
Federal remediation due: 5 Apr 2022
Known ransomware use: Yes

Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version

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-2019-1253. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

cve-program · CVE-2019-1253

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": "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": "version 1803  (Core Installation)"
                        },
                        {
                            "status": "affected",
                            "version": "2019"
                        },
                        {
                            "status": "affected",
                            "version": "2019  (Core installation)"
                        }
                    ]
                }

Windows 10 Version 1903 for 32-bit Systems

Vendor product

Publisher's version information

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

{
                    "product": "Windows 10 Version 1903 for 32-bit Systems",
                    "vendor": "Microsoft",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "unspecified"
                        }
                    ]
                }

Windows 10 Version 1903 for x64-based Systems

Vendor product

Publisher's version information

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

{
                    "product": "Windows 10 Version 1903 for x64-based Systems",
                    "vendor": "Microsoft",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "unspecified"
                        }
                    ]
                }

Windows 10 Version 1903 for ARM64-based Systems

Vendor product

Publisher's version information

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

{
                    "product": "Windows 10 Version 1903 for ARM64-based Systems",
                    "vendor": "Microsoft",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "unspecified"
                        }
                    ]
                }

Windows Server, version 1903 (Server Core installation)

Vendor product

Publisher's version information

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

{
                    "product": "Windows Server, version 1903 (Server Core installation)",
                    "vendor": "Microsoft",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "unspecified"
                        }
                    ]
                }

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