Microsoft Monthly Security Update (January 2023)
Release Date:
11 Jan 2023
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RISK: High Risk
TYPE: Operating Systems - Windows OS
Microsoft has released monthly security update for their products:
| Vulnerable Product | Risk Level | Impacts | Notes |
| Windows |  High Risk | Elevation of Privilege Remote Code Execution Denial of Service Information Disclosure Security Restriction Bypass | CVE-2023-21674 is being exploited in the wild. Note: The local attacker could lead to a browser sandbox escape and allow to gain SYSTEM privileges on a wide variety of Windows and Windows Server installations. The risk level is rated as High Risk. |
| Extended Security Updates (ESU) |  Medium Risk | Elevation of Privilege Remote Code Execution Denial of Service Security Restriction Bypass Information Disclosure | |
| Developer Tools | Medium Risk | Denial of Service Remote Code Execution | |
| System Center | Medium Risk | Elevation of Privilege | |
| Microsoft Office | Medium Risk | Remote Code Execution Information Disclosure Security Restriction Bypass | |
| Exchange Server | Medium Risk | Information Disclosure Spoofing Elevation of Privilege | |
| Apps | Medium Risk | Remote Code Execution | |
| Azure | Medium Risk | Elevation of Privilege |
Number of 'Extremely High Risk' product(s): 0
Number of 'High Risk' product(s): 1
Number of 'Medium Risk' product(s): 7
Number of 'Low Risk' product(s): 0
Evaluation of overall 'Risk Level': High Risk
Impact
- Denial of Service
- Elevation of Privilege
- Information Disclosure
- Remote Code Execution
- Spoofing
- Security Restriction Bypass
System / Technologies affected
- Windows
- Extended Security Updates (ESU)
- Developer Tools
- System Center
- Microsoft Office
- Exchange Server
- Apps
- Azure
Solutions
Before installation of the software, please visit the vendor web-site for more details.
- Apply fixes issued by the vendor.
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