9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
0.009 Low
EPSS
Percentile
83.1%
Release Date:
January 9, 2024 Version: ** .NET Framework 3.5 and 4.8.1**
The January 9, 2024 update for Windows 11, version 22H2 and Windows 11, version 23H2 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8.1. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.
Security Improvements CVE-2023-36042 â .NET Framework Denial of Service Vulnerability
This security update addresses a security feature bypass vulnerability detailed in CVE-2023-36042. CVE-2024-0056 â .NET Framework Security Feature Bypass Vulnerability
This security update addresses a security feature bypass vulnerability detailed in CVE-2024-0056 . CVE-2024-0057 â .NET Framework Security Feature Vulnerability
This security update addresses a elevation of privilege vulnerability detailed in CVE-2024-0057. CVE-2024-21312 â .NET Framework Denial of Service Vulnerability
This security update addresses a denial of service vulnerability detailed in CVE-2024-21312 . .NET Framework Remote Code Execution Vulnerability
This security update addresses a remote code execution vulnerability to HTTP .NET remoting server channel chain. Quality and Reliability ImprovementsThere are no new Quality and Reliability Improvements in this update.
Microsoft is not currently aware of any issues in this update.
Install this update****Release Channel | Available | Next Step |
---|---|---|
Windows Update and Microsoft Update | Yes | None. This update will be downloaded and installed automatically from Windows Update. |
Windows Update for Business | Yes | None. This update will be downloaded and installed automatically from Windows Update. |
Microsoft Update Catalog | Yes | To get the standalone package for this update, go to the Microsoft Update Catalog website. |
Windows Server Update Services (WSUS) | Yes | This update will automatically sync with WSUS if you configure as follows: Product: Windows 11, version 22H2 and Windows 11, version 23H2Classification: Security Updates File information For a list of the files that are provided in this update, download the file information for cumulative update. |
To apply this update, you must have .NET Framework 3.5 or 4.8.1 installed.
You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.8 High
AI Score
Confidence
High
0.009 Low
EPSS
Percentile
83.1%