Microsoft Monthly Security Update (May 2021)
RISK: High Risk
TYPE: Operating Systems - Windows OS
Microsoft has released monthly security update for their products:
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): 1
Evaluation of overall 'Risk Level': High Risk
[Updated 20-May-2021] Proof Of Concept Exploit Code Is Publicly Available for CVE-2021-31166. Risk Level Has Been Escalated to High Risk.
- Denial of Service
- Elevation of Privilege
- Remote Code Execution
- Security Restriction Bypass
- Information Disclosure
System / Technologies affected
- Extended Security Updates (ESU)
- Developer Tools
- Microsoft Office
- Microsoft Dynamics
- Exchange Server
- Open Source Software
Before installation of the software, please visit the vendor web-site for more details.
- Apply fixes issued by the vendor.