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Advisory catalogCVE-2026-97801

.NET Framework Tampering Vulnerability

Exact source revision recorded 23 Oct 2026 23:48:20 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-97801

Published

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"
                        }
                    ]
                }
ChangeIntel

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Sources read 24 Oct 15:21 UTC · 271 of 271 readable · 269 fully read · documentation 464/464 current