Microsoft Monthly Security Update (May 2023)
RISK: High Risk
TYPE: Operating Systems - Windows OS
[Updated on 2024-03-28]
Updated Source and Related Links.
CVE-2023-24955 vulnerability is exploited in the wild. In a network-based attack, an authenticated attacker as a Site Owner could execute code remotely on the SharePoint Server. Hence, the risk level is rated from Medium Risk to High Risk.
Microsoft has released monthly security update for their products:
| Vulnerable Product | Risk Level | Impacts | Notes |
| Browser |  Medium Risk | Elevation of Privilege Security Restriction Bypass | |
| Microsoft Office |  High Risk | Information Disclosure Spoofing Remote Code Execution Security Restriction Bypass Denial of Service | vulnerability is exploited in the wild. In a network-based attack, an authenticated attacker as a Site Owner could execute code remotely on the SharePoint Server. Hence, the risk level is rated from Medium Risk to High Risk. |
| Windows | Medium Risk | Remote Code Execution Denial of Service Elevation of Privilege Information Disclosure Security Restriction Bypass | is being exploited in the wild. The vulnerability can be exploited by using Win32k to trigger elevation of privilege, but this CVE is required local access and it is rated as risk medium.
is being exploited in the wild. The vulnerability can be exploited by using Windows Secure Boot to trigger security restriction bypass, but this CVE is required local access and it is rated as risk medium. |
| Extended Security Updates (ESU) | Medium Risk | Remote Code Execution Information Disclosure Denial of Service Elevation of Privilege Security Restriction Bypass | is being exploited in the wild. The vulnerability can be exploited by using Win32k to trigger elevation of privilege, but this CVE is required local access and it is rated as risk medium.
is being exploited in the wild. The vulnerability can be exploited by using Windows Secure Boot to trigger security restriction bypass, but this CVE is required local access and it is rated as risk medium. |
| Developer Tools | Medium Risk | Information Disclosure Elevation of Privilege |
Number of 'Extremely High Risk' product(s): 0
Number of 'High Risk' product(s): 1
Number of 'Medium Risk' product(s): 4
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
- Browser
- Microsoft Office
- Windows
- Extended Security Updates (ESU)
- Developer Tools
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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Source
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