Microsoft: >> 365 Apps Security Vulnerabilities
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
CVSS Score
7.8
EPSS Score
0.046
Published
2020-11-11
Microsoft Office Online Spoofing Vulnerability
CVSS Score
6.8
EPSS Score
0.007
Published
2020-11-11
Microsoft Excel Remote Code Execution Vulnerability
CVSS Score
7.8
EPSS Score
0.062
Published
2020-11-11
Microsoft Excel Remote Code Execution Vulnerability
CVSS Score
7.8
EPSS Score
0.046
Published
2020-11-11
Microsoft Excel Security Feature Bypass Vulnerability
CVSS Score
7.8
EPSS Score
0.053
Published
2020-11-11
Microsoft Word Security Feature Bypass Vulnerability
CVSS Score
3.3
EPSS Score
0.01
Published
2020-11-11
<p>A remote code execution vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the targeted user. If the targeted user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.</p>
<p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Outlook software. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) that contains a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.</p>
<p>Note that where severity is indicated as Critical in the Affected Products table, the Preview Pane is an attack vector.</p>
<p>The security update addresses the vulnerability by correcting how Outlook handles objects in memory.</p>
CVSS Score
7.5
EPSS Score
0.545
Published
2020-10-16
<p>A denial of service vulnerability exists in Microsoft Outlook software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could cause a remote denial of service against a system.</p>
<p>Exploitation of the vulnerability requires that a specially crafted email be sent to a vulnerable Outlook server.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft Outlook handles objects in memory.</p>
CVSS Score
4.7
EPSS Score
0.028
Published
2020-10-16
<p>A remote code execution vulnerability exists in Microsoft Office software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.</p>
<p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft Office handles objects in memory.</p>
CVSS Score
7.8
EPSS Score
0.107
Published
2020-10-16
<p>An elevation of privilege vulnerability exists in the way that Microsoft Office Click-to-Run (C2R) AppVLP handles certain files. An attacker who successfully exploited the vulnerability could elevate privileges.</p>
<p>To exploit this vulnerability, an attacker would need to convince a user to open a specially crafted file.</p>
<p>The security update addresses the vulnerability by correcting how Microsoft Office Click-to-Run (C2R) components handle these files.</p>
CVSS Score
7.8
EPSS Score
0.083
Published
2020-10-16