CVE-2026-83520Published

.NET Remote Code Execution Vulnerability

cve-program · CVE-2026-83520

Published

.NET 10.0 runtime

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": ".NET 10.0 runtime",
                    "versions": [
                        {
                            "version": "10.0.0",
                            "lessThan": "10.0.13",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

.NET 11.0 runtime

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": ".NET 11.0 runtime",
                    "versions": [
                        {
                            "version": "11.0.0",
                            "lessThan": "11.0.0-rc.2",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

.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": "8.0.32",
                            "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": "9.0.21",
                            "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 11 version 26H1",
                        "Windows Server 2012",
                        "Windows Server 2012 R2"
                    ],
                    "versions": [
                        {
                            "version": "3.5.0",
                            "lessThan": "2.0.50727.9188 AND 3.0.30729.9171",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 3.5 AND 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 3.5 AND 4.6.2/4.7/4.7.1/4.7.2",
                    "platforms": [
                        "Windows 10 version 1607",
                        "Windows Server 2016",
                        "Windows Server 2019"
                    ],
                    "versions": [
                        {
                            "version": "3.0.0.0",
                            "lessThan": "2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0",
                            "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 1809"
                    ],
                    "versions": [
                        {
                            "version": "4.7.0",
                            "lessThan": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0",
                            "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",
                        "Windows 10 version 21H2",
                        "Windows 10 version 22H2",
                        "Windows Server 2019",
                        "Windows Server 2022"
                    ],
                    "versions": [
                        {
                            "version": "4.8.0",
                            "lessThan": "2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0",
                            "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",
                        "Windows 10 version 22H2",
                        "Windows 11 version 23H2",
                        "Windows 11 version 24H2",
                        "Windows 11 version 25H2",
                        "Windows 11 version 26H2",
                        "Windows Server 2022",
                        "Windows Server 2025"
                    ],
                    "versions": [
                        {
                            "version": "4.8.1",
                            "lessThan": "2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0",
                            "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 R2"
                    ],
                    "versions": [
                        {
                            "version": "4.7.0",
                            "lessThan": "4.7.4150.0",
                            "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",
                        "Windows Server 2012",
                        "Windows Server 2012 R2",
                        "Windows Server 2016"
                    ],
                    "versions": [
                        {
                            "version": "4.8.0",
                            "lessThan": "4.8.4811.0",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft .NET Framework 4.8.1

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft .NET Framework 4.8.1",
                    "platforms": [
                        "Windows 11 version 26H1"
                    ],
                    "versions": [
                        {
                            "version": "4.8.0.0",
                            "lessThan": "4.8.9363.0",
                            "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": "17.14.42",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2026 version 18.10

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2026 version 18.10",
                    "versions": [
                        {
                            "version": "18.10.0",
                            "lessThan": "18.10.4",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

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

euvd · EUVD-2026-100198

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: Oct 13, 2026, 7:01:15 PM

dateUpdated: Oct 31, 2026, 6:11:01 PM

2 related source bulletins · separate from aliases

NCSC-2026-0426: Kwetsbaarheden verholpen in Microsoft Developer Tools

CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69370 · CVE-2026-69651 · CVE-2026-69905 · CVE-2026-69914 · CVE-2026-69945 · CVE-2026-69969 · CVE-2026-69979 · CVE-2026-70007 · CVE-2026-70035 · CVE-2026-70098 · CVE-2026-70159 · CVE-2026-70161 · CVE-2026-70165 · CVE-2026-70174 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70190 · CVE-2026-70194 · CVE-2026-70196 · CVE-2026-70197 · CVE-2026-83520 · CVE-2026-84008 · CVE-2026-85363 · CVE-2026-85849 · CVE-2026-85934 · CVE-2026-87697 · CVE-2026-88092 · CVE-2026-96224 · CVE-2026-96225 · CVE-2026-96229 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96232 · CVE-2026-96233 · CVE-2026-96234 · CVE-2026-96235 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96957 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960 · CVE-2026-102229 · CVE-2026-102230 · CVE-2026-102231 · CVE-2026-102232 · CVE-2026-102233 · CVE-2026-102234 · CVE-2026-102235 · CVE-2026-102238 · CVE-2026-102851 · CVE-2026-102870 · CVE-2026-103572 · CVE-2026-108398 · CVE-2026-102869

WID-SEC-W-2026-3893: Microsoft Entwicklerwerkzeuge: Mehrere Schwachstellen

CVE-2026-100205 · CVE-2026-102229 · CVE-2026-102231 · CVE-2026-102232 · CVE-2026-102233 · CVE-2026-102234 · CVE-2026-102235 · CVE-2026-102238 · CVE-2026-102851 · CVE-2026-102869 · CVE-2026-102870 · CVE-2026-103572 · CVE-2026-105016 · CVE-2026-105729 · CVE-2026-105732 · CVE-2026-108398 · CVE-2026-109468 · CVE-2026-58280 · CVE-2026-66822 · CVE-2026-69370 · CVE-2026-69651 · CVE-2026-70007 · CVE-2026-70035 · CVE-2026-70098 · CVE-2026-70159 · CVE-2026-70161 · CVE-2026-70162 · CVE-2026-70165 · CVE-2026-70174 · CVE-2026-70175 · CVE-2026-70179 · CVE-2026-70181 · CVE-2026-70183 · CVE-2026-70186 · CVE-2026-70188 · CVE-2026-70190 · CVE-2026-70194 · CVE-2026-70196 · CVE-2026-70197 · CVE-2026-83520 · CVE-2026-84008 · CVE-2026-85363 · CVE-2026-85790 · CVE-2026-87697 · CVE-2026-88092 · CVE-2026-92707 · CVE-2026-96222 · CVE-2026-96224 · CVE-2026-96225 · CVE-2026-96229 · CVE-2026-96230 · CVE-2026-96231 · CVE-2026-96232 · CVE-2026-96233 · CVE-2026-96234 · CVE-2026-96235 · CVE-2026-96236 · CVE-2026-96237 · CVE-2026-96238 · CVE-2026-96251 · CVE-2026-96303 · CVE-2026-96957 · CVE-2026-96958 · CVE-2026-96959 · CVE-2026-96960 · CVE-2026-97788 · CVE-2026-97801

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-2026-83520

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: Awaiting Analysis

Weakness classifications: CWE-502

Original publisher date fields

published: 2026-10-13T19:19:57.933

lastModified: 2026-10-22T22:18:48.310

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

osv · GHSA-4w5f-7jp2-w48g

Published

Microsoft.WindowsDesktop.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 11.0.0-preview.1 → fixed 11.0.0-rc.2

Microsoft.WindowsDesktop.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 11.0.0-preview.1 → fixed 11.0.0-rc.2

Microsoft.WindowsDesktop.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 11.0.0-preview.1 → fixed 11.0.0-rc.2

Microsoft.WindowsDesktop.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 10.0.0 → fixed 10.0.13

13 explicitly affected versions

10.0.0, 10.0.1, 10.0.10, 10.0.11, 10.0.12, 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 10.0.0 → fixed 10.0.13

13 explicitly affected versions

10.0.0, 10.0.1, 10.0.10, 10.0.11, 10.0.12, 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 10.0.13

13 explicitly affected versions

10.0.0, 10.0.1, 10.0.10, 10.0.11, 10.0.12, 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 8.0.0 → fixed 8.0.32

31 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, 8.0.29, 8.0.3, 8.0.30, 8.0.31, 8.0.4, 8.0.5, 8.0.6, 8.0.7, 8.0.8

Microsoft.WindowsDesktop.App.Runtime.win-x64

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.32

31 explicitly affected versions

Microsoft.WindowsDesktop.App.Runtime.win-x86

NuGet

ECOSYSTEM · introduced 8.0.0 → fixed 8.0.32

31 explicitly affected versions

Microsoft.WindowsDesktop.App.Runtime.win-arm64

NuGet

ECOSYSTEM · introduced 9.0.0 → fixed 9.0.21

21 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, 9.0.18, 9.0.19, 9.0.2, 9.0.20, 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 9.0.0 → fixed 9.0.21

21 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, 9.0.18, 9.0.19, 9.0.2, 9.0.20, 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 9.0.21

21 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, 9.0.18, 9.0.19, 9.0.2, 9.0.20, 9.0.3, 9.0.4, 9.0.5, 9.0.6, 9.0.7, 9.0.8, 9.0.9

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