Microsoft Monthly Security Update (May 2026)

Last Update Date: 2 Jul 2026 Release Date: 13 May 2026 26408 Views

RISK: High Risk

TYPE: Operating Systems - Windows OS

[Updated on 2026-07-02]

Updated Risk Level, Description, Source and Related Link.

Microsoft has released monthly security update for their products:

Vulnerable Product	Risk Level	Impacts	Notes
Azure	Medium Risk	Spoofing Remote Code Execution Elevation of Privilege Security Restriction Bypass
Developer Tools	Medium Risk	Elevation of Privilege Remote Code Execution Security Restriction Bypass Information Disclosure Data Manipulation Denial of Service
Windows	Medium Risk	Elevation of Privilege Remote Code Execution Denial of Service Information Disclosure Security Restriction Bypass
Extended Security Updates (ESU)	Medium Risk	Elevation of Privilege Remote Code Execution Security Restriction Bypass Information Disclosure Denial of Service
Microsoft Office	High Risk	Remote Code Execution Information Disclosure Elevation of Privilege Spoofing Data Manipulation	CVE-2026-45659 is being exploited in the wild. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to perform remote code execution over a network. Hence, the risk level of this vulnerability is rated as High Risk.
Microsoft Dynamics	Medium Risk	Information Disclosure Elevation of Privilege Remote Code Execution
Apps	Medium Risk	Spoofing Information Disclosure
Browser	Medium Risk	Information Disclosure Spoofing Elevation of Privilege
SQL Server	Medium Risk	Remote Code Execution