-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
                         AUSCERT Security Bulletin

                               ASB-2021.0051
         Microsoft Patch Tuesday update for Windows for March 2021
                               10 March 2021

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:          HEVC Video Extensions
                  Windows 10
                  Windows 8.1
                  Windows Admin Center
                  Windows RT 8.1
                  Windows Server
                  Windows Server 2012
                  Windows Server 2012 R2
                  Windows Server 2016
                  Windows Server 2019
Operating System: Windows
Impact/Access:    Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                  Increased Privileges            -- Existing Account      
                  Denial of Service               -- Remote/Unauthenticated
                  Access Confidential Data        -- Existing Account      
                  Unauthorised Access             -- Existing Account      
Resolution:       Patch/Upgrade
CVE Names:        CVE-2021-27077 CVE-2021-27070 CVE-2021-27066
                  CVE-2021-27063 CVE-2021-27062 CVE-2021-27061
                  CVE-2021-27051 CVE-2021-27050 CVE-2021-27049
                  CVE-2021-27048 CVE-2021-27047 CVE-2021-26902
                  CVE-2021-26901 CVE-2021-26900 CVE-2021-26899
                  CVE-2021-26898 CVE-2021-26897 CVE-2021-26896
                  CVE-2021-26895 CVE-2021-26894 CVE-2021-26893
                  CVE-2021-26892 CVE-2021-26891 CVE-2021-26890
                  CVE-2021-26889 CVE-2021-26887 CVE-2021-26886
                  CVE-2021-26885 CVE-2021-26884 CVE-2021-26882
                  CVE-2021-26881 CVE-2021-26880 CVE-2021-26879
                  CVE-2021-26878 CVE-2021-26877 CVE-2021-26876
                  CVE-2021-26875 CVE-2021-26874 CVE-2021-26873
                  CVE-2021-26872 CVE-2021-26871 CVE-2021-26870
                  CVE-2021-26869 CVE-2021-26868 CVE-2021-26867
                  CVE-2021-26866 CVE-2021-26865 CVE-2021-26864
                  CVE-2021-26863 CVE-2021-26862 CVE-2021-26861
                  CVE-2021-26860 CVE-2021-24110 CVE-2021-24107
                  CVE-2021-24095 CVE-2021-24090 CVE-2021-24089
                  CVE-2021-1729 CVE-2021-1640 

OVERVIEW

        Microsoft has released its monthly security patch update for the
        month of March 2021.
        
        This update resolves 59 vulnerabilities across the following
        products: [1]
        
         HEVC Video Extensions
         Windows 10
         Windows 8.1
         Windows Admin Center
         Windows RT 8.1
         Windows Server
         Windows Server 2012
         Windows Server 2012 R2
         Windows Server 2016
         Windows Server 2019


IMPACT

        Microsoft has given the following details regarding these vulnerabilities.
        
         Details         Impact                   Severity
         CVE-2021-1640   Elevation of Privilege   Important
         CVE-2021-1729   Elevation of Privilege   Important
         CVE-2021-24089  Remote Code Execution    Critical
         CVE-2021-24090  Elevation of Privilege   Important
         CVE-2021-24095  Elevation of Privilege   Important
         CVE-2021-24107  Information Disclosure   Important
         CVE-2021-24110  Remote Code Execution    Important
         CVE-2021-26860  Elevation of Privilege   Important
         CVE-2021-26861  Remote Code Execution    Important
         CVE-2021-26862  Elevation of Privilege   Important
         CVE-2021-26863  Elevation of Privilege   Important
         CVE-2021-26864  Elevation of Privilege   Important
         CVE-2021-26865  Elevation of Privilege   Important
         CVE-2021-26866  Elevation of Privilege   Important
         CVE-2021-26867  Remote Code Execution    Critical
         CVE-2021-26868  Elevation of Privilege   Important
         CVE-2021-26869  Information Disclosure   Important
         CVE-2021-26870  Elevation of Privilege   Important
         CVE-2021-26871  Elevation of Privilege   Important
         CVE-2021-26872  Elevation of Privilege   Important
         CVE-2021-26873  Elevation of Privilege   Important
         CVE-2021-26874  Elevation of Privilege   Important
         CVE-2021-26875  Elevation of Privilege   Important
         CVE-2021-26876  Remote Code Execution    Critical
         CVE-2021-26877  Remote Code Execution    Important
         CVE-2021-26878  Elevation of Privilege   Important
         CVE-2021-26879  Denial of Service        Important
         CVE-2021-26880  Elevation of Privilege   Important
         CVE-2021-26881  Remote Code Execution    Important
         CVE-2021-26882  Elevation of Privilege   Important
         CVE-2021-26884  Information Disclosure   Important
         CVE-2021-26885  Elevation of Privilege   Important
         CVE-2021-26886  Denial of Service        Important
         CVE-2021-26887  Elevation of Privilege   Important
         CVE-2021-26889  Elevation of Privilege   Important
         CVE-2021-26890  Remote Code Execution    Important
         CVE-2021-26891  Elevation of Privilege   Important
         CVE-2021-26892  Security Feature Bypass  Important
         CVE-2021-26893  Remote Code Execution    Important
         CVE-2021-26894  Remote Code Execution    Important
         CVE-2021-26895  Remote Code Execution    Important
         CVE-2021-26896  Denial of Service        Important
         CVE-2021-26897  Remote Code Execution    Critical
         CVE-2021-26898  Elevation of Privilege   Important
         CVE-2021-26899  Elevation of Privilege   Important
         CVE-2021-26900  Elevation of Privilege   Important
         CVE-2021-26901  Elevation of Privilege   Important
         CVE-2021-26902  Remote Code Execution    Critical
         CVE-2021-27047  Remote Code Execution    Important
         CVE-2021-27048  Remote Code Execution    Important
         CVE-2021-27049  Remote Code Execution    Important
         CVE-2021-27050  Remote Code Execution    Important
         CVE-2021-27051  Remote Code Execution    Important
         CVE-2021-27061  Remote Code Execution    Critical
         CVE-2021-27062  Remote Code Execution    Important
         CVE-2021-27063  Denial of Service        Important
         CVE-2021-27066  Security Feature Bypass  Important
         CVE-2021-27070  Elevation of Privilege   Important
         CVE-2021-27077  Elevation of Privilege   Important


MITIGATION

        Microsoft recommends updating the software with the version made
        available on the Microsoft Update Catalogue for the following
        Knowledge Base articles. [1].
        
         KB5000802, KB5000803, KB5000807, KB5000808, KB5000809
         KB5000822, KB5000840, KB5000847, KB5000848, KB5000853


REFERENCES

        [1] Microsoft Security Update Guidance
            https://portal.msrc.microsoft.com/en-us/security-guidance

AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours 
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=Pc+q
-----END PGP SIGNATURE-----