CVE-2026-50646Published

.NET Framework Remote Code Execution Vulnerability

cve-program · CVE-2026-50646

Published

.NET 8.0 runtime

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": ".NET 8.0 runtime",
                    "versions": [
                        {
                            "version": "8.0.0",
                            "lessThan": "8.0.29",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

.NET 9.0 runtime

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": ".NET 9.0 runtime",
                    "versions": [
                        {
                            "version": "9.0.0",
                            "lessThan": "9.0.18",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5",
                    "platforms": [
                        "Windows Server 2012",
                        "Windows Server 2012 (Server Core installation)",
                        "Windows Server 2012 R2",
                        "Windows Server 2012 R2 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "3.5.0",
                            "lessThan": "2.0.50727.8983 & 3.0.30729.8978",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5 AND 4.7.2

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5 AND 4.7.2",
                    "platforms": [
                        "Windows 10 Version 1607 for 32-bit Systems",
                        "Windows 10 Version 1607 for x64-based Systems",
                        "Windows 10 Version 1809 for 32-bit Systems",
                        "Windows 10 Version 1809 for ARM64-based Systems",
                        "Windows 10 Version 1809 for x64-based Systems",
                        "Windows Server 2016",
                        "Windows Server 2016 (Server Core installation)",
                        "Windows Server 2019",
                        "Windows Server 2019 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.7.0",
                            "lessThan": "2.0.50727.8983 & 3.0.30729.8978 & 4.7.4143.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5 AND 4.8

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5 AND 4.8",
                    "platforms": [
                        "Windows 10 Version 1809 for 32-bit Systems",
                        "Windows 10 Version 1809 for ARM64-based Systems",
                        "Windows 10 Version 1809 for x64-based Systems",
                        "Windows 10 Version 21H2 for 32-bit Systems",
                        "Windows 10 Version 21H2 for ARM64-based Systems",
                        "Windows 10 Version 21H2 for x64-based Systems",
                        "Windows 10 Version 22H2 for 32-bit Systems",
                        "Windows 10 Version 22H2 for ARM64-based Systems",
                        "Windows 10 Version 22H2 for x64-based Systems",
                        "Windows Server 2019",
                        "Windows Server 2019 (Server Core installation)",
                        "Windows Server 2022",
                        "Windows Server 2022 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.8.0",
                            "lessThan": "2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5 AND 4.8.1

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 3.5 AND 4.8.1",
                    "platforms": [
                        "Windows 10 Version 21H2 for 32-bit Systems",
                        "Windows 10 Version 21H2 for ARM64-based Systems",
                        "Windows 10 Version 21H2 for x64-based Systems",
                        "Windows 10 Version 22H2 for 32-bit Systems",
                        "Windows 10 Version 22H2 for ARM64-based Systems",
                        "Windows 10 Version 22H2 for x64-based Systems",
                        "Windows 11 Version 23H2 for ARM64-based Systems",
                        "Windows 11 Version 23H2 for x64-based Systems",
                        "Windows 11 Version 24H2 for ARM64-based Systems",
                        "Windows 11 Version 24H2 for x64-based Systems",
                        "Windows 11 Version 25H2 for ARM64-based Systems",
                        "Windows 11 Version 25H2 for x64-based Systems",
                        "Windows 11 Version 26H1 for ARM64-based Systems",
                        "Windows 11 version 26H1 for x64-based Systems",
                        "Windows Server 2022",
                        "Windows Server 2022 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.8.1",
                            "lessThan": "2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
                    "platforms": [
                        "Windows Server 2012",
                        "Windows Server 2012 (Server Core installation)",
                        "Windows Server 2012 R2",
                        "Windows Server 2012 R2 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.7.0",
                            "lessThan": "4.7.4143.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 4.8

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 4.8",
                    "platforms": [
                        "Windows 10 Version 1607 for 32-bit Systems",
                        "Windows 10 Version 1607 for x64-based Systems",
                        "Windows Server 2012",
                        "Windows Server 2012 (Server Core installation)",
                        "Windows Server 2012 R2",
                        "Windows Server 2012 R2 (Server Core installation)",
                        "Windows Server 2016",
                        "Windows Server 2016 (Server Core installation)"
                    ],
                    "versions": [
                        {
                            "version": "4.8.0",
                            "lessThan": "4.8.4803.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2022 version 17.12

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2022 version 17.12",
                    "versions": [
                        {
                            "version": "17.12.0",
                            "lessThan": "17.12.22",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2022 version 17.14

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2022 version 17.14",
                    "versions": [
                        {
                            "version": "17.14.0",
                            "lessThan": "17.14.36",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2026 version 18.7

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2026 version 18.7",
                    "versions": [
                        {
                            "version": "18.0",
                            "lessThan": "18.7.4",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-44397

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Jul 14, 2026, 7:29:56 PM

dateUpdated: Nov 1, 2026, 5:35:40 PM

19 related source bulletins · separate from aliases

msrc_CVE-2026-50646: .NET Framework Remote Code Execution Vulnerability

CVE-2026-50646

RHSA-2026:58569: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

CVE-2026-47300 · CVE-2026-47302 · CVE-2026-47303 · CVE-2026-47304 · CVE-2026-50524 · CVE-2026-50525 · CVE-2026-50526 · CVE-2026-50527 · CVE-2026-50528 · CVE-2026-50646 · CVE-2026-50648 · CVE-2026-50649 · CVE-2026-50650 · CVE-2026-50651 · CVE-2026-50659 · CVE-2026-56170 · CVE-2026-57108 · CVE-2026-62899 · CVE-2026-62900 · CVE-2026-62901 · CVE-2026-62909

RHSA-2026:41896: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

RHSA-2026:41895: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

RHSA-2026:58568: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

NCSC-2026-0235: Kwetsbaarheden verholpen in Microsoft Developer Tools

CVE-2026-47300 · CVE-2026-47302 · CVE-2026-47303 · CVE-2026-50524 · CVE-2026-56170 · CVE-2026-47304 · CVE-2026-50525 · CVE-2026-50526 · CVE-2026-50527 · CVE-2026-50528 · CVE-2026-50648 · CVE-2026-50651 · CVE-2026-50659 · CVE-2026-57108 · CVE-2026-50646 · CVE-2026-50649 · CVE-2026-50650 · CVE-2026-50506 · CVE-2026-45646 · CVE-2026-47282 · CVE-2026-45496 · CVE-2026-50520 · CVE-2026-41109 · CVE-2026-57101 · CVE-2026-57102 · CVE-2026-47305

RHSA-2026:58570: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

RHSA-2026:58566: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

RHSA-2026:41900: Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update

RHSA-2026:41901: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

RHSA-2026:41898: Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update

RHSA-2026:41893: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

RHSA-2026:58567: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

RHSA-2026:41899: Red Hat Security Advisory: .NET 9.0 security, bug fix, and enhancement update

RHSA-2026:41894: Red Hat Security Advisory: .NET 8.0 security, bug fix, and enhancement update

WID-SEC-W-2026-2324: Microsoft DeveloperTools: Mehrere Schwachstellen

CVE-2026-45496 · CVE-2026-45646 · CVE-2026-47282 · CVE-2026-47300 · CVE-2026-47302 · CVE-2026-47303 · CVE-2026-47304 · CVE-2026-47305 · CVE-2026-50506 · CVE-2026-50520 · CVE-2026-50524 · CVE-2026-50525 · CVE-2026-50526 · CVE-2026-50527 · CVE-2026-50528 · CVE-2026-50646 · CVE-2026-50648 · CVE-2026-50649 · CVE-2026-50650 · CVE-2026-50651 · CVE-2026-50659 · CVE-2026-56170 · CVE-2026-57101 · CVE-2026-57102 · CVE-2026-57108

RHSA-2026:41897: Red Hat Security Advisory: .NET 10.0 security, bug fix, and enhancement update

RHSA-2026:42145: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

RHSA-2026:27171: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

CVE-2026-45736 · CVE-2026-47302 · CVE-2026-50524 · CVE-2026-50525 · CVE-2026-50526 · CVE-2026-50527 · CVE-2026-50528 · CVE-2026-50646 · CVE-2026-50648 · CVE-2026-50649 · CVE-2026-50650 · CVE-2026-50651 · CVE-2026-57108

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

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

nvd · CVE-2026-50646

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-502 · CWE-693

Original publisher date fields

published: 2026-07-14T20:17:37.670

lastModified: 2026-10-28T20:17:54.210

35 source CPE criteria · context only

cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*
cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

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

osv · GHSA-gh2h-rhph-h37g

Published

Microsoft.WindowsDesktop.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.10

10 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7, 10.0.8, 10.0.9

Microsoft.WindowsDesktop.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.10

10 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7, 10.0.8, 10.0.9

Microsoft.WindowsDesktop.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.10

10 explicitly affected versions

10.0.0, 10.0.1, 10.0.2, 10.0.3, 10.0.4, 10.0.5, 10.0.6, 10.0.7, 10.0.8, 10.0.9

Microsoft.WindowsDesktop.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.18

18 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.16, 9.0.17, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.WindowsDesktop.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.18

18 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.16, 9.0.17, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.WindowsDesktop.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.18

18 explicitly affected versions

9.0.0, 9.0.1, 9.0.10, 9.0.11, 9.0.12, 9.0.13, 9.0.14, 9.0.15, 9.0.16, 9.0.17, 9.0.2, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

Microsoft.WindowsDesktop.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.29

28 explicitly affected versions

8.0.0, 8.0.1, 8.0.10, 8.0.11, 8.0.12, 8.0.13, 8.0.14, 8.0.15, 8.0.16, 8.0.17, 8.0.18, 8.0.19, 8.0.2, 8.0.20, 8.0.21, 8.0.22, 8.0.23, 8.0.24, 8.0.25, 8.0.26, 8.0.27, 8.0.28, 8.0.3, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.WindowsDesktop.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.29

28 explicitly affected versions

Microsoft.WindowsDesktop.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.29

28 explicitly affected versions

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