CVE-2023-36049

.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability

publishedCWE-20

.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability

Technical severity7.6 highCVSS 3.1 · CNA: microsoft

Published2023-11-14Source updated 2026-11-02

Collected2026-11-033 attributed sources

Fixes and workarounds

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: [email protected]

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: af854a3a-2127-422b-91ae-364da2661108

Affected products and versions

Affected products, source version ranges and reporting authorities
Product	Versions	Authority
Microsoft Visual Studio 2022 version 17.2 Microsoft Platforms: Unknown	≥ 17.2.0; < 17.2.22 (affected, custom)	CNA: microsoft
Microsoft Visual Studio 2022 version 17.4 Microsoft Platforms: Unknown	≥ 17.4.0; < 17.4.14 (affected, custom)	CNA: microsoft
Microsoft Visual Studio 2022 version 17.7 Microsoft Platforms: Unknown	≥ 17.7.0; < 17.7.7 (affected, custom)	CNA: microsoft
Microsoft Visual Studio 2022 version 17.6 Microsoft Platforms: Unknown	≥ 17.6.0; < 17.6.10 (affected, custom)	CNA: microsoft
.NET 8.0 Microsoft Platforms: Unknown	≥ 8.0; < 8.0.0 (affected, custom)	CNA: microsoft
.NET 6.0 Microsoft Platforms: Unknown	≥ 6.0.0; < 6.0.25 (affected, custom)	CNA: microsoft
.NET 7.0 Microsoft Platforms: Unknown	≥ 7.0.0; < 7.0.14 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.5 AND 4.8.1 Microsoft Platforms: Windows 11 Version 23H2 for x64-based Systems, Windows Server 2022, 23H2 Edition (Server Core installation), Windows 11 Version 23H2 for ARM64-based Systems, Windows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 version 21H2 for x64-based Systems, Windows 11 version 21H2 for ARM64-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 11 Version 22H2 for ARM64-based Systems, Windows 11 Version 22H2 for x64-based Systems, Windows 10 Version 22H2 for x64-based Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for 32-bit Systems	≥ 4.8.1; < 4.8.9206.0 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 4.8 Microsoft Platforms: Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation), Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)	≥ 4.8.0; < 4.8.4682.0 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.5 AND 4.8 Microsoft Platforms: Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation), Windows Server 2022, Windows Server 2022 (Server Core installation), Windows 11 version 21H2 for x64-based Systems, Windows 11 version 21H2 for ARM64-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 x64-based Systems, Windows 10 Version 22H2 for ARM64-based Systems, Windows 10 Version 22H2 for 32-bit Systems	≥ 4.8.0; < 4.8.4682.0 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.5 AND 4.7.2 Microsoft Platforms: Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows 10 Version 1809 for ARM64-based Systems, Windows Server 2019, Windows Server 2019 (Server Core installation)	≥ 4.7.0; < 4.7.4076.0 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 Microsoft Platforms: Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016, Windows Server 2016 (Server Core installation)	≥ 3.0.0.0; < 10.0.14393.6452 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Microsoft Platforms: Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation), Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)	≥ 4.7.0; < 4.7.4076.0 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 4.6.2 Microsoft Platforms: Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation), Windows Server 2008 for x64-based Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)	≥ 4.7.0; < 4.7.4076.0 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.5 AND 4.6/4.6.2 Microsoft Platforms: Windows 10 for 32-bit Systems, Windows 10 for x64-based Systems	≥ 10.0.0; < 10.0.10240.20308 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 2.0 Service Pack 2 Microsoft Platforms: Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2	≥ 2.0.0; < 3.0.50727.8975 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.0 Service Pack 2 Microsoft Platforms: Windows Server 2008 for 32-bit Systems Service Pack 2, Windows Server 2008 for x64-based Systems Service Pack 2	≥ 3.0.0; < 3.0.50727.8975 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.5 Microsoft Platforms: Windows Server 2012, Windows Server 2012 (Server Core installation), Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation)	≥ 3.5.0; < 3.0.50727.8975 (affected, custom)	CNA: microsoft
Microsoft .NET Framework 3.5.1 Microsoft Platforms: Windows Server 2008 R2 for x64-based Systems Service Pack 1, Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)	≥ 3.5.0; < 3.0.50727.8975 (affected, custom)	CNA: microsoft

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

NVD applicability configurations (13)

These expressions retain AND/OR operators, negation, and required environmental products. A listed product is not sufficient to establish exposure when additional conditions apply.

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CVSS assessments

CVSS scores, vectors and reporting authorities
Version / score	Vector	Authority
3.1 / 7.6 high	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L/E:P/RL:O/RC:C`	CNA: microsoft
3.1 / 9.8 critical	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`	NVD: [email protected]
3.1 / 7.6 high	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L`	NVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36049CNA: microsoft · vendor-advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36049ADP: CVE · vendor-advisory, x_transferred
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36049[email protected] · Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36049af854a3a-2127-422b-91ae-364da2661108 · Patch, Vendor Advisory

For agents and automation

Read public disclosures for free as Markdown or JSON. Compatible browsers also expose native WebMCP tools to search disclosures, read this page, and discover API access.

Use the ontology-linked Cyber API with x402 pay per request, or a Y2 Pro or Elite API key with the intel:cyber scope.

Get an API key Use x402 Connect an agent

Endpoints and access details

https://api.y2.dev/api/v2/cyber/cves
https://api.y2.dev/api/v2/cyber/cves/{cveId}

A workspace owner or admin can create a Pro or Elite API key. Send Authorization: Bearer <Y2_API_KEY> from your trusted agent runtime.

For x402, omit Authorization and read the HTTP 402 payment challenge before signing a retry. Public browser tools do not make payments.

Agent access JSON · OpenAPI · CVE API guide