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.NET and Visual Studio Elevation of Privilege Vulnerability

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2021-31204

Published

.NET Core 3.1

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": ".NET Core 3.1",
                    "cpes": [
                        "cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"
                    ],
                    "platforms": [
                        "Unknown"
                    ],
                    "versions": [
                        {
                            "version": "3.1",
                            "lessThan": "3.1.15-servicing.21214.3",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

.NET 5.0

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": ".NET 5.0",
                    "cpes": [
                        "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"
                    ],
                    "platforms": [
                        "Unknown"
                    ],
                    "versions": [
                        {
                            "version": "5.0.0",
                            "lessThan": "5.0.6-servicing.21220.11",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)",
                    "cpes": [
                        "cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*"
                    ],
                    "platforms": [
                        "Unknown"
                    ],
                    "versions": [
                        {
                            "version": "15.0.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)",
                    "cpes": [
                        "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"
                    ],
                    "platforms": [
                        "Unknown"
                    ],
                    "versions": [
                        {
                            "version": "16.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)",
                    "cpes": [
                        "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"
                    ],
                    "platforms": [
                        "Unknown"
                    ],
                    "versions": [
                        {
                            "version": "16.0.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

Visual Studio 2019 for Mac version 8.9

Vendor product

Original vendor version evidence · not evaluated as a NuGet range
{
                    "vendor": "Microsoft",
                    "product": "Visual Studio 2019 for Mac version 8.9",
                    "cpes": [
                        "cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*"
                    ],
                    "platforms": [
                        "Unknown"
                    ],
                    "versions": [
                        {
                            "version": "8.0",
                            "lessThan": "publication",
                            "versionType": "custom",
                            "status": "affected"
                        }
                    ]
                }

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

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 13:09 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current