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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-2026-120789 1 CVE rev. 2

    Microsoft Office Excel 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 Office Excel 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 Office Excel 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 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 8.8

    Microsoft PowerPoint 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 Defender 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 Search 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 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 7.8

    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 8.8

    Windows Network Connected Devices Auto-Setup Service 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
    MSRC-CVE-2026-119990 1 CVE rev. 2

    Azure OpenAI Elevation of Privilege Vulnerability

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

  • Critical max 8.8

    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

    Microsoft Office 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 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 8.8

    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

    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 8.8

    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 8.1

    Remote Procedure Call Runtime 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 Active Directory Domain Services Remote Code Execution Vulnerability

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

  • Critical max 7.5

    Windows Function Discovery SSDP Provider 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 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 7.5

    Windows Function Discovery Resource Publication 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 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 7.8

    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 6.4

    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 8.1

    Windows Network Address Translation (NAT) Remote Code Execution Vulnerability

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

  • Critical max 7.5

    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 7.0

    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 7.5

    Windows TCP/IP 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
    MSRC-CVE-2026-113856 1 CVE rev. 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 7.5

    Windows SMB Server Network Transport Driver (srvnet.sys) Remote Code Execution Vulnerability

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

  • Critical max 8.2

    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 7.5

    Windows Print Spooler Components 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

    Microsoft Windows Codecs Library 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 Xbox Live Networking Service 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 8.1
    MSRC-CVE-2026-69802 1 CVE rev. 2

    Network Device Enrollment Service (NDES) 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 10.0

    Entra Device Registration Elevation of Privilege Vulnerability

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

  • Critical max 8.1
    MSRC-CVE-2026-70229 1 CVE rev. 2

    Windows Active Directory Domain Services Remote Code Execution Vulnerability

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

    first Oct 13, 2026
  • Critical max 7.8
    MSRC-CVE-2026-88074 1 CVE rev. 3

    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.

    first Oct 13, 2026