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Privacy Statement Third-Party Cookies AcceptRejectManage cookies MSRC  Customer Guidance  Security Update Guide  Vulnerabilities  CVE-2026-50650 .NET Framework Elevation of Privilege Vulnerability New On this page  CVE-2026-50650  Subscribe RSS PowerShell  API  CSAF Security Vulnerability Released: Jul 14, 2026 Assigning CNA Microsoft CVE.org link CVE-2026-50650  Impact Elevation of Privilege Max Severity Important Weakness CWE-94: Improper Control of Generation of Code ('Code Injection') CVSS Source Microsoft Vector String CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C Metrics CVSS:3.1 7.8 / 6.8  Base score metrics: 7.8 / Temporal score metrics: 6.8  Expand all  Collapse all Metric Value   Base score metrics(8) Attack Vector Local Attack Complexity Low Privileges Required None User Interaction Required Scope Unchanged Confidentiality High Integrity High Availability High   Temporal score metrics(3) Exploit Code Maturity Unproven Remediation Level Official Fix Report Confidence Confirmed Please see Common Vulnerability Scoring System for more information on the definition of these metrics. Executive Summary Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally. Exploitability The following table provides an exploitability assessment for this vulnerability at the time of original publication. Publicly disclosed No Exploited No Exploitability assessment Exploitation Less Likely FAQ What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges. Acknowledgements 41ae55e9310ff27fa6f26af4727e5590 Microsoft recognizes the efforts of those in the security community who help us protect customers through coordinated vulnerability disclosure. See Acknowledgements for more information. Security Updates To determine the support lifecycle for your software, see the Microsoft Support Lifecycle. Release date Descending  Edit columns  Download  Filters  Product Family  Max Severity  Impact  Platform   Clear Release date  Product Platform Impact Max Severity Article Download Build Number Assigning CNA Title: Release date, Content: Jul 14, 2026 Microsoft Visual Studio 2026 version 18.7 - Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft Visual Studio 2026 version 18.7, Content:, 1 link Release Notes  Title: Download Security Update for Microsoft Visual Studio 2026 version 18.7, Content:, 1 link Security Update  Title: Build numbers, Content: 18.7.4 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 .NET 9.0 installed on Windows - Elevation of Privilege Important Title: Knowledge Base Articles for .NET 9.0 installed on Windows, Content:, 1 link 5104033  Title: Download Security Update for .NET 9.0 installed on Windows, Content:, 1 link Security Update  Title: Build numbers, Content: 9.0.18 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 .NET 8.0 installed on Windows - Elevation of Privilege Important Title: Knowledge Base Articles for .NET 8.0 installed on Windows, Content:, 1 link 5104032  Title: Download Security Update for .NET 8.0 installed on Windows, Content:, 1 link Security Update  Title: Build numbers, Content: 8.0.29 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 Windows Server 2012 R2 Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5, Content:, 1 link 5087049  Title: Download Security Update for Microsoft .NET Framework 3.5, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.8983 & 3.0.30729.8978 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows Server 2025 (Server Core installation) Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087057  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9340.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows 10 Version 22H2 for 32-bit Systems Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087053  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows 10 Version 21H2 for x64-based Systems Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087053  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows 10 Version 22H2 for ARM64-based Systems Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087053  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows 10 Version 21H2 for 32-bit Systems Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087053  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows 10 Version 22H2 for x64-based Systems Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087053  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows 10 Version 21H2 for ARM64-based Systems Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087053  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows Server 2022 (Server Core installation) Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087059  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 3.5 AND 4.8.1 Windows Server 2022 Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link 5087059  Title: Download Security Update for Microsoft .NET Framework 3.5 AND 4.8.1, Content:, 1 link Security Update  Title: Build numbers, Content: 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Windows Server 2012 R2 (Server Core installation) Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Content:, 1 link 5087063  Title: Download Security Update for Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Content:, 1 link Security Update  Title: Build numbers, Content: 4.7.4143.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Windows Server 2012 R2 Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Content:, 1 link 5087063  Title: Download Security Update for Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Content:, 1 link Security Update  Title: Build numbers, Content: 4.7.4143.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Content: Jul 14, 2026 Microsoft .NET Framework 4.8 Windows Server 2012 Elevation of Privilege Important Title: Knowledge Base Articles for Microsoft .NET Framework 4.8, Content:, 1 link 5087067  Title: Download Security Update for Microsoft .NET Framework 4.8, Content:, 1 link Security Update  Title: Build numbers, Content: 4.8.4803.0 Title: Assigning CNA, Content: Microsoft Title: Release date, Conte