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Microsoft Security Response Center

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

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  • Critical max 8.8
    MSRC-CVE-2026-105718 1 CVE rev. 2

    Microsoft Excel Remote Code Execution Vulnerability

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

    first Oct 13, 2026
  • Critical max 8.8
    MSRC-CVE-2026-32157 1 CVE rev. 3

    Remote Desktop Client Remote Code Execution Vulnerability

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

    first Apr 14, 2026
  • Critical max 8.8
    MSRC-CVE-2026-81352 1 CVE rev. 2

    Web Media Extensions Remote Code Execution Vulnerability

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

    first Sep 8, 2026
  • Critical max 8.7
    MSRC-CVE-2026-83943 1 CVE rev. 2

    Azure API Center Information Disclosure Vulnerability

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

    first Oct 8, 2026
  • Critical max 8.8
    MSRC-CVE-2026-69676 1 CVE rev. 2

    Windows Kerberos Remote Code Execution Vulnerability

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

    first Sep 8, 2026
  • Critical max 8.6
    MSRC-CVE-2026-78501 1 CVE rev. 3

    Microsoft 365 Copilot Business Chat Information Disclosure Vulnerability

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

    first Sep 17, 2026
  • Critical max 9.8

    Microsoft QUIC Remote Code Execution Vulnerability

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

  • Critical max 7.8

    Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

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

  • Critical max 9.8

    Windows Text Shaping Remote Code Execution Vulnerability

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

  • Critical max 8.8

    Windows Text Shaping Remote Code Execution Vulnerability

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

  • Critical max 7.8

    Microsoft Graphics Component Remote Code Execution Vulnerability

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

  • Critical max 7.0

    Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

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

  • Critical max 8.8

    Windows Media Video Decoder Remote Code Execution Vulnerability

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

  • Critical max 9.8

    Microsoft QUIC Remote Code Execution Vulnerability

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

  • Critical max 9.8

    Windows Message Queuing Queue Manager Remote Code Execution Vulnerability

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

  • Critical max 8.8

    Microsoft Windows Media Foundation Remote Code Execution Vulnerability

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

  • Critical max 9.8

    Windows DHCP Server Remote Code Execution Vulnerability

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

  • Critical max 8.8

    Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability

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

  • Critical max 9.8

    Microsoft Office Outlook Remote Code Execution Vulnerability

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

  • Critical max 9.8

    Microsoft PostScript Printer Driver Remote Code Execution Vulnerability

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

  • Critical max 8.1

    Windows DHCP Server Remote Code Execution Vulnerability

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

  • Critical max 8.1

    Windows DHCP Server Remote Code Execution Vulnerability

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

  • Critical max 8.1

    Windows DHCP Server Remote Code Execution Vulnerability

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

  • Critical max 8.1

    Microsoft Exchange Server Remote Code Execution Vulnerability

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

  • Critical max 8.1

    Windows Deployment Services Remote Code Execution Vulnerability

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

  • Critical max 8.1

    Windows DHCP Server Remote Code Execution Vulnerability

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

  • Critical max 7.5

    Windows Reliable Multicast Transport Driver (RMCAST) Remote Code Execution Vulnerability

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

  • Critical max 7.0

    Linux Kernel Elevation of Privilege Vulnerability

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

  • Critical max 8.8

    Windows GDI+ Remote Code Execution Vulnerability

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

  • Critical max 9.8

    Microsoft Office Outlook Remote Code Execution Vulnerability

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

  • Critical max 8.8

    Windows Raw Image Extension Remote Code Execution Vulnerability

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

  • Critical max 9.8

    Microsoft Office Word Remote Code Execution Vulnerability

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

  • Critical max 9.8

    Microsoft PostScript Printer Driver Remote Code Execution Vulnerability

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

  • Critical max 8.8

    Windows Graphics Kernel Elevation of Privilege Vulnerability

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

  • Critical max 8.1

    Windows Remote Desktop Services Remote Code Execution Vulnerability

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

  • Critical max 7.0

    Windows ALPC Elevation of Privilege Vulnerability

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

  • Critical max 8.1

    Windows Message Queuing Remote Code Execution Vulnerability

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

  • Critical max 7.2

    Windows Hyper-V Elevation of Privilege Vulnerability

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

  • Critical max 8.8

    Windows Hyper-V Remote Code Execution Vulnerability

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

  • Critical max 8.8

    Microsoft PostScript Printer Driver Remote Code Execution Vulnerability

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