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KLA12138 Multiple vulnerabilities in Microsoft Office

Description

### *Detect date*: 04/13/2021 ### *Severity*: High ### *Description*: Multiple vulnerabilities were found in Microsoft Office. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information, cause denial of service. ### *Affected products*: Microsoft Excel 2013 Service Pack 1 (32-bit editions) Microsoft Office 2013 Service Pack 1 (32-bit editions) Microsoft 365 Apps for Enterprise for 32-bit Systems Microsoft Word 2016 (32-bit edition) Microsoft Word 2013 RT Service Pack 1 Microsoft Office 2016 (32-bit edition) Microsoft Word 2013 Service Pack 1 (64-bit editions) Microsoft Office Online Server Microsoft Excel 2013 Service Pack 1 (64-bit editions) Microsoft Outlook 2016 (64-bit edition) Microsoft Outlook 2013 RT Service Pack 1 Microsoft Outlook 2013 Service Pack 1 (32-bit editions) Microsoft SharePoint Enterprise Server 2013 Service Pack 1 Microsoft Excel 2016 (64-bit edition) Microsoft SharePoint Server 2010 Service Pack 2 Microsoft SharePoint Enterprise Server 2016 Microsoft Outlook 2010 Service Pack 2 (64-bit editions) Microsoft SharePoint Server 2019 Microsoft SharePoint Foundation 2010 Service Pack 2 Microsoft Office 2010 Service Pack 2 (32-bit editions) Microsoft Office 2016 (64-bit edition) Microsoft Word 2010 Service Pack 2 (64-bit editions) Microsoft Office 2010 Service Pack 2 (64-bit editions) Microsoft 365 Apps for Enterprise for 64-bit Systems Microsoft Office 2013 RT Service Pack 1 Microsoft Word 2016 (64-bit edition) Microsoft Outlook 2010 Service Pack 2 (32-bit editions) Microsoft Office Web Apps 2010 Service Pack 2 Microsoft Office Web Apps Server 2013 Service Pack 1 Microsoft Outlook 2013 Service Pack 1 (64-bit editions) Microsoft Excel 2016 (32-bit edition) Microsoft Office 2019 for Mac Microsoft Excel 2013 RT Service Pack 1 Microsoft Excel 2010 Service Pack 2 (64-bit editions) Microsoft Office 2019 for 64-bit editions Microsoft Outlook 2016 (32-bit edition) Microsoft Word 2013 Service Pack 1 (32-bit editions) Microsoft Word 2010 Service Pack 2 (32-bit editions) Microsoft Excel 2010 Service Pack 2 (32-bit editions) Microsoft Office 2019 for 32-bit editions Microsoft Office 2013 Service Pack 1 (64-bit editions) ### *Solution*: Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel) ### *Original advisories*: [CVE-2021-28454](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-28454>) [CVE-2021-28449](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-28449>) [CVE-2021-28456](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-28456>) [CVE-2021-28451](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-28451>) [CVE-2021-28453](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-28453>) [CVE-2021-28450](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-28450>) [CVE-2021-28452](<https://api.msrc.microsoft.com/sug/v2.0/en-US/vulnerability/CVE-2021-28452>) ### *Impacts*: ACE ### *Related products*: [Microsoft Office](<https://threats.kaspersky.com/en/product/Microsoft-Office/>) ### *CVE-IDS*: [CVE-2021-28454](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28454>)6.8High [CVE-2021-28449](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28449>)6.8High [CVE-2021-28456](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28456>)4.3Warning [CVE-2021-28451](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28451>)6.8High [CVE-2021-28453](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28453>)6.8High [CVE-2021-28450](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28450>)4.0Warning [CVE-2021-28452](<https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28452>)6.8High ### *KB list*: [4504719](<http://support.microsoft.com/kb/4504719>) [4493215](<http://support.microsoft.com/kb/4493215>) [4504729](<http://support.microsoft.com/kb/4504729>) [4504733](<http://support.microsoft.com/kb/4504733>) [3178643](<http://support.microsoft.com/kb/3178643>) [3178639](<http://support.microsoft.com/kb/3178639>) [4504735](<http://support.microsoft.com/kb/4504735>) [4493198](<http://support.microsoft.com/kb/4493198>) [4493201](<http://support.microsoft.com/kb/4493201>) [4504722](<http://support.microsoft.com/kb/4504722>) [4504709](<http://support.microsoft.com/kb/4504709>) [4493218](<http://support.microsoft.com/kb/4493218>) [4504727](<http://support.microsoft.com/kb/4504727>) [4493208](<http://support.microsoft.com/kb/4493208>) [4504716](<http://support.microsoft.com/kb/4504716>) [4504701](<http://support.microsoft.com/kb/4504701>) [4504714](<http://support.microsoft.com/kb/4504714>) [4504739](<http://support.microsoft.com/kb/4504739>) [4504738](<http://support.microsoft.com/kb/4504738>) [4504712](<http://support.microsoft.com/kb/4504712>) [4504724](<http://support.microsoft.com/kb/4504724>) [3017810](<http://support.microsoft.com/kb/3017810>) [2589361](<http://support.microsoft.com/kb/2589361>) [4493185](<http://support.microsoft.com/kb/4493185>) [4504723](<http://support.microsoft.com/kb/4504723>) [4504726](<http://support.microsoft.com/kb/4504726>) [2553491](<http://support.microsoft.com/kb/2553491>) [4504705](<http://support.microsoft.com/kb/4504705>) [4504715](<http://support.microsoft.com/kb/4504715>) [4504721](<http://support.microsoft.com/kb/4504721>) [4493170](<http://support.microsoft.com/kb/4493170>)


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