Today, we are releasing the January 2020 Security and Quality Rollup Updates for .NET Framework.
Security
CVE-2020-0605, CVE-2020-0606, CVE-2020-0646 – .NET Framework Remote Code Execution
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly. An attacker who successfully exploited this vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.
To learn more about the vulnerabilities, go to the following Common Vulnerabilities and Exposures (CVE).
Quality and Reliability
This release contains no new quality and reliability improvements.
The Security and Quality Rollup is available via Windows Update, Windows Server Update Services, and Microsoft Update Catalog. The Security Only Update is available via Windows Server Update Services and Microsoft Update Catalog.
Microsoft Update Catalog
You can get the update via the Microsoft Update Catalog. For Windows 10, NET Framework 4.8 updates are available via Windows Update, Windows Server Update Services, Microsoft Update Catalog. Updates for other versions of .NET Framework are part of the Windows 10 Monthly Cumulative Update.
Note: Customers that rely on Windows Update and Windows Server Update Services will automatically receive the .NET Framework version-specific updates. Advanced system administrators can also take use of the below direct Microsoft Update Catalog download links to .NET Framework-specific updates. Before applying these updates, please ensure that you carefully review the .NET Framework version applicability, to ensure that you only install updates on systems where they apply.
The following table is for Windows 10 and Windows Server 2016+ versions.
| Product Version | Cumulative Update | |
|---|---|---|
| Windows 10 1909 and Windows Server, version 1909 | ||
| .NET Framework 3.5, 4.8 | Catalog | 4532938 |
| Windows 10 1903 and Windows Server, version 1903 | ||
| .NET Framework 3.5, 4.8 | Catalog | 4532938 |
| Windows 10 1809 (October 2018 Update) and Windows Server 2019 | 4535101 | |
| .NET Framework 3.5, 4.7.2 | Catalog | 4532947 |
| .NET Framework 3.5, 4.8 | Catalog | 4532937 |
| Windows 10 1803 (April 2018 Update) | ||
| .NET Framework 3.5, 4.7.2 | Catalog | 4534293 |
| .NET Framework 4.8 | Catalog | 4532936 |
| Windows 10 1709 (Fall Creators Update) | ||
| .NET Framework 3.5, 4.7.1, 4.7.2 | Catalog | 4534276 |
| .NET Framework 4.8 | Catalog | 4532935 |
| Windows 10 1703 (Creators Update) | ||
| .NET Framework 3.5, 4.7, 4.7.1, 4.7.2 | Catalog | 4534296 |
| .NET Framework 4.8 | Catalog | 4532934 |
| Windows 10 1607 (Anniversary Update) and Windows Server 2016 | ||
| .NET Framework 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 4534271 |
| .NET Framework 4.8 | Catalog | 4532933 |
| Windows 10 1507 | ||
| .NET Framework 3.5, 4.6, 4.6.1, 4.6.2 | Catalog | 4534306 |
The following table is for earlier Windows and Windows Server versions.
| Product Version | Security and Quality Rollup | Security Only Update | ||
|---|---|---|---|---|
| Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2 | 4535104 | 4534978 | ||
| .NET Framework 3.5 | Catalog | 4532946 | Catalog | 4532961 |
| .NET Framework 4.5.2 | Catalog | 4532927 | Catalog | 4532962 |
| .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 4532931 | Catalog | 4532970 |
| .NET Framework 4.8 | Catalog | 4532940 | Catalog | 4532951 |
| Windows Server 2012 | 4535103 | 4534977 | ||
| .NET Framework 3.5 | Catalog | 4532943 | Catalog | 4532958 |
| .NET Framework 4.5.2 | Catalog | 4532928 | Catalog | 4532963 |
| .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 4532930 | Catalog | 4532969 |
| .NET Framework 4.8 | Catalog | 4532939 | Catalog | 4532950 |
| Windows 7 SP1 and Windows Server 2008 R2 SP1 | 4535102 | 4534976 | ||
| .NET Framework 3.5.1 | Catalog | 4532945 | Catalog | 4532960 |
| .NET Framework 4.5.2 | Catalog | 4532929 | Catalog | 4532964 |
| .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2 | Catalog | 4532932 | Catalog | 4532971 |
| .NET Framework 4.8 | Catalog | 4532941 | Catalog | 4532952 |
| Windows Server 2008 | 4535105 | 4534979 | ||
| .NET Framework 2.0, 3.0 | Catalog | 4532944 | Catalog | 4532959 |
| .NET Framework 4.5.2 | Catalog | 4532929 | Catalog | 4532964 |
| .NET Framework 4.6 | Catalog | 4532932 | Catalog | 4532971 |
Previous Monthly Rollups
The last few .NET Framework Monthly updates are listed below for your convenience:
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