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Microsoft Security Response Center

Source: https://msrc.microsoft.com/update-guide/

10,146 results · Feed

  • Critical max 8.1
    MSRC-CVE-2026-45584 1 CVE rev. 2

    Microsoft Defender Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited. Customer action: Required.

    first May 19, 2026
  • High max 7.8
    MSRC-CVE-2026-41091 1 CVE 1 exploited rev. 2

    Microsoft Defender Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Exploited according to Microsoft, publicly disclosed before the fix — Exploitation Detected. Customer action: Required.

    first May 19, 2026
  • Low max 4.0
    MSRC-CVE-2026-45498 1 CVE 1 exploited rev. 2

    Microsoft Defender Denial of Service Vulnerability

    Impact: Denial of Service. Microsoft rating: Low. Exploited according to Microsoft, publicly disclosed before the fix — Exploitation Detected. Customer action: Required.

    first May 19, 2026
  • High max 9.1
    MSRC-CVE-2026-33117 1 CVE rev. 2

    Azure SDK for Java Security Feature Bypass Vulnerability

    Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    first May 12, 2026
  • High max 7.8
    MSRC-CVE-2026-34336 1 CVE rev. 2

    Windows DWM Core Library Elevation of Privilege Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    first May 12, 2026
  • Critical max 7.5

    Microsoft Global Secure Access (GSA) Information Disclosure Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 10.0

    Microsoft Entra ID Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 10.0

    Microsoft Planetary Computer Pro Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 9.1

    Microsoft Azure Active Directory B2C Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 7.7

    Azure Stack HCI Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 9.3

    Microsoft Copilot Tampering Vulnerability

    Impact: Tampering. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 6.5

    M365 Copilot Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 10.0

    Azure Resource Manager Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 9.9

    Azure Virtual Network Gateway Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 8.8

    Azure Privileged Identity Management (PIM) Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 10.0

    Microsoft Power Pages Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • Critical max 10.0

    Azure Orbital Spatio Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

  • High max 5.5
    MSRC-CVE-2026-32185 1 CVE rev. 3

    Microsoft Teams Spoofing Vulnerability

    Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    first May 12, 2026
  • Critical max 8.4
    MSRC-CVE-2026-40367 1 CVE rev. 3

    Microsoft Word Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    first May 12, 2026
  • High max 7.8

    Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 4.3
    MSRC-CVE-2026-32175 1 CVE rev. 2

    .NET Core Tampering Vulnerability

    Impact: Tampering. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    first May 12, 2026
  • Critical max 10.0

    Azure Local Disconnected Operations (ALDO) Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited — Exploitation More Likely. Customer action: Required.

  • Medium max 5.4

    Microsoft Edge (Chromium-based) Security Feature Bypass Vulnerability

    Impact: Security Feature Bypass. Microsoft rating: Moderate. Not known to be exploited — Exploitation More Likely. Customer action: Required.

  • High max 6.7
    MSRC-CVE-2026-32170 1 CVE rev. 2

    Windows Rich Text Edit Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    first May 12, 2026
  • Critical max 9.3
    MSRC-CVE-2026-40379 1 CVE rev. 2

    Azure Entra ID Spoofing Vulnerability

    Impact: Spoofing. Microsoft rating: Critical. Not known to be exploited. Customer action: Not required.

    first May 7, 2026
  • Critical max 7.5
    MSRC-CVE-2026-32161 1 CVE rev. 2

    Windows Native WiFi Miniport Driver Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    first May 12, 2026
  • Critical max 9.6

    Microsoft Authenticator Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Critical. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 9.1
    MSRC-CVE-2026-42833 1 CVE rev. 2

    Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

    first May 12, 2026
  • High max 5.5
    MSRC-CVE-2026-20823 1 CVE rev. 2

    Windows File Explorer Information Disclosure Vulnerability

    Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

    first Jan 13, 2026
  • High max 7.4

    Microsoft Outlook for iOS Tampering Vulnerability

    Impact: Tampering. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 7.7

    Microsoft Office Spoofing Vulnerability

    Impact: Spoofing. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.

  • High max 6.5

    Azure Monitor Agent Metrics Extension Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 9.9

    Azure Logic Apps Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 8.8

    Visual Studio Code Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • Critical max 9.1

    Microsoft SSO Plugin for Jira & Confluence Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Critical. Not known to be exploited — Exploitation More Likely. Customer action: Required.

  • High max 7.8

    Azure Connected Machine Agent Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 6.7

    Secure Boot Security Feature Bypass Vulnerability

    Impact: Security Feature Bypass. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 8.8

    Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 8.8

    Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.

  • High max 7.8

    Microsoft Office Click-To-Run Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.