Microsoft Security Updates – 26 April 2026

Microsoft has released security updates to address several vulnerabilities affecting multiple Microsoft products.

The addressed vulnerabilities could allow the attacker to gain elevated privileges, conduct server-side request forgery attacks, execute arbitrary code, and gain access to the affected systems.

Sample of the addressed vulnerabilities:

1. Microsoft Entra ID Spoofing Vulnerability (CVE-2026-35431):

  • CVSS: 10.0
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Server-Side Request Forgery

2. Microsoft Bing Remote Code Execution Vulnerability (CVE-2026-33819):

  • CVSS: 10.0
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Consequences: Gain Access

Sample of the affected products:

  • Azure IOT Central.
  • Microsoft Power Apps.
  • Microsoft Entra ID.
  • Microsoft Bing.
  • Microsoft Dynamics 365 (online).
Vulnerabilities
  • CVE-2026-21515
  • CVE-2026-32172
  • CVE-2026-35431
  • CVE-2026-24303
  • CVE-2026-26150
  • CVE-2026-33819
  • CVE-2026-33102
  • CVE-2026-32210
Mitigations

The enterprise should deploy this patch as soon as the testing phase is completed.

Microsoft MSRC

References