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Microsoft Security Response Center

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

All Critical High Medium Low With exploited CVEs

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  • High max 7.8
    MSRC-CVE-2021-31979 1 CVE 1 exploited

    Windows Kernel Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
  • Critical max 9.1
    MSRC-CVE-2021-34473 1 CVE 1 exploited

    Microsoft Exchange Server Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited, publicly disclosed before the fix — Exploitation More Likely. Customer action: Required.

    Microsoft
  • High max 9.0
    MSRC-CVE-2021-34523 1 CVE 1 exploited

    Microsoft Exchange Server Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited, publicly disclosed before the fix — Exploitation Less Likely. Customer action: Required.

    Microsoft
  • Critical max 6.8
    MSRC-CVE-2021-34448 1 CVE 1 exploited

    Scripting Engine Memory Corruption Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
  • High max 7.8
    MSRC-CVE-2021-33771 1 CVE 1 exploited

    Windows Kernel Elevation of Privilege Vulnerability

    Impact: Elevation of Privilege. Microsoft rating: Important. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
  • High max 7.2
    MSRC-CVE-2021-31196 1 CVE 1 exploited

    Microsoft Exchange Server Remote Code Execution Vulnerability

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

    Microsoft
  • Critical max 7.8
    MSRC-CVE-2021-27065 1 CVE 1 exploited rev. 6

    Microsoft Exchange Server Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
    first Mar 2, 2021
  • High max 7.8
    MSRC-CVE-2021-26858 1 CVE 1 exploited rev. 6

    Microsoft Exchange Server Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
    first Mar 2, 2021
  • Critical max 7.8
    MSRC-CVE-2021-26857 1 CVE 1 exploited rev. 6

    Microsoft Exchange Server Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
    first Mar 2, 2021
  • Critical max 9.1
    MSRC-CVE-2021-26855 1 CVE 1 exploited rev. 6

    Microsoft Exchange Server Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
    first Mar 2, 2021
  • High max 8.8
    MSRC-CVE-2021-27085 1 CVE 1 exploited rev. 2

    Internet Explorer Remote Code Execution Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Important. Exploited according to Microsoft — Exploitation Detected. Customer action: Required.

    Microsoft
    first Mar 9, 2021
  • Critical max 8.8
    MSRC-CVE-2021-26411 1 CVE 1 exploited

    Internet Explorer Memory Corruption Vulnerability

    Impact: Remote Code Execution. Microsoft rating: Critical. Exploited according to Microsoft, publicly disclosed before the fix — Exploitation Detected. Customer action: Required.

    Microsoft