2026-05 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 for x64 (KB5088861)

2026-05 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 R2 for x64 KB5088861...

CVE-2026-35433

CVE-2026-35433 involves improper input validation in .NET Framework that enables local Elevation of Privilege. Public details in connected documents indicate the vulnerability affects multiple .NET Framework versions and is being addressed via May 12, 2026 security updates (e.g., KB5087058/KB5087...

May 12, 2026-KB5088863 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2

May 12, 2026-KB5088863 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 Release Date: May 12, 2026 Version: .NET Framework 3.5, 4.8 and 4.8.1 Summary This article describes the security and cumulative update for 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2...

May 12, 2026-KB5087052 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2

May 12, 2026-KB5087052 Cumulative Update for .NET Framework 3.5 and 4.8.1 for Microsoft server operating system, version 23H2 Release Date: May 12, 2026 Version: .NET Framework 3.5 and 4.8.1 The May 12, 2026 update for Microsoft server operating system, version 23H2 includes security and cumulati...

Microsoft .NET 输入验证错误漏洞

Microsoft .NET is a software framework developed by Microsoft Corporation in the United States. It focuses on agile software development, rapid application development, platform independence, and transparency in networking. There is an input validation vulnerability in Microsoft .NET. Attackers c...

PT-2026-38464

Loop with unreachable exit condition 'infinite loop' in .NET, .NET Framework, Visual Studio allows an unauthorized attacker to deny service over a network...

Vulnerabilities fixed in Microsoft Developer tools

Microsoft has fixed vulnerabilities in .NET, .NET Framework, Visual Studio and PowerShell. A malicious party can exploit the vulnerabilities to launch attacks that can lead to the following categories of damage: - Denial-of-Service DoS - Accessing sensitive data - Circumvention of a security...

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 for x64 (KB5084067)

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 21H2 for x64 KB5084067...

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 (KB5084067)

2026-04 Cumulative Update for .NET Framework 3.5 and 4.8 for Windows 10 Version 21H2 for ARM64 KB5084067...

2026-04 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 for x64 (KB5084069)

2026-04 Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 for x64 KB5084069...

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 (KB5084068)

2026-04 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2 KB5084068...

CVE-2026-32226

CVE-2026-32226 is a .NET Framework Denial of Service vulnerability. It is exploitable remotely over a network with high attack complexity, no user interaction, and requires no privileges, causing a high availability impact (CVSS v3.1 base score 5.9). An official fix is available. The referenced s...

.NET Framework Denial of Service Vulnerability

Concurrent execution using shared resource with improper synchronization 'race condition' in .NET Framework allows an unauthorized attacker to deny service over a network...

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 (KB5084069)

April 14, 2026-Security and Quality Rollup for .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2012 KB5084069 Applies to: Microsoft .NET Framework 3.5 Microsoft .NET Framework 4.6.2 Microsoft .NET Framework 4.7 Microsoft .NET Framework 4.7.1 Microsoft .NET Framework 4.7.2...

EUVD-2026-10695

.NET Elevation of Privilege Vulnerability...

VulnCheck KEV: CVE-2020-1066

An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level.To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program.The update addresses the vulnerability by...

EUVD-2025-34346

Microsoft Security Advisory CVE-2025-55248: .NET Information Disclosure Vulnerability...

CVE-2025-55247

Improper link resolution before file access 'link following' in .NET allows an authorized attacker to elevate privileges locally...

2025-10 Security and Quality Rollup for .NET Framework 3.5.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8 for Windows Server 2008 R2 for x64 (KB5066739)

A security issue has been identified in a Microsoft software product that could affect your system. You can help protect your system by installing this update from Microsoft. For a complete listing of the issues that are included in this update, see the associated Microsoft Knowledge Base article...

UBUNTU-CVE-2025-55248

Inadequate encryption strength in .NET, .NET Framework, Visual Studio allows an authorized attacker to disclose information over a network...