Security Vulnerabilities - CVEs Published In September 2020
<p>An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.</p>
<p>To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p>
<p>The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory.</p>
CVSS Score
4.4
EPSS Score
0.004
Published
2020-09-11
<p>A remote code execution vulnerability exists when Windows Media Audio Decoder improperly handles objects. An attacker who successfully exploited the vulnerability could take control of an affected system.</p>
<p>There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage.</p>
<p>The security update addresses the vulnerability by correcting how Windows Media Audio Decoder handles objects.</p>
CVSS Score
7.6
EPSS Score
0.012
Published
2020-09-11
<p>A remote code execution vulnerability exists in Microsoft Excel 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 Excel. 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 Excel handles objects in memory.</p>
CVSS Score
7.8
EPSS Score
0.103
Published
2020-09-11
<p>A remote code execution vulnerability exists in Microsoft SharePoint where APIs aren't properly protected from unsafe data input. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SharePoint application pool and the SharePoint server farm account.</p>
<p>Exploitation of this vulnerability requires that a user access a susceptible API on an affected version of SharePoint with specially-formatted input.</p>
<p>The security update addresses the vulnerability by correcting how SharePoint handles deserialization of untrusted data.</p>
CVSS Score
9.9
EPSS Score
0.008
Published
2020-09-11
<p>A information disclosure vulnerability exists when TLS components use weak hash algorithms. An attacker who successfully exploited this vulnerability could obtain information to further compromise a users's encrypted transmission channel.</p>
<p>To exploit the vulnerability, an attacker would have to conduct a man-in-the-middle attack.</p>
<p>The update addresses the vulnerability by correcting how TLS components use hash algorithms.</p>
CVSS Score
5.4
EPSS Score
0.003
Published
2020-09-11
<p>A remote code execution vulnerability exists when Windows improperly handles objects in memory. To exploit the vulnerability an attacker would have to convince a user to run a specially crafted application.</p>
<p>An attacker who successfully exploited this vulnerability could execute arbitrary code and take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p>
<p>The updates address the vulnerability by correcting how Windows handles objects in memory.</p>
CVSS Score
7.8
EPSS Score
0.116
Published
2020-09-11
<p>An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the user’s system.</p>
<p>There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage.</p>
<p>The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory.</p>
CVSS Score
5.5
EPSS Score
0.186
Published
2020-09-11
<p>A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability 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>There are multiple ways an attacker could exploit the vulnerability:</p>
<ul>
<li>In a web-based attack scenario, an attacker could host a specially crafted website that is designed to exploit the vulnerability and then convince users to view the website. An attacker would have no way to force users to view the attacker-controlled content. Instead, an attacker would have to convince users to take action, typically by getting them to open an email attachment or click a link in an email or instant message.</li>
<li>In a file-sharing attack scenario, an attacker could provide a specially crafted document file that is designed to exploit the vulnerability, and then convince users to open the document file.</li>
</ul>
<p>The security update addresses the vulnerability by correcting the way that the Windows GDI handles objects in the memory.</p>
CVSS Score
8.4
EPSS Score
0.109
Published
2020-09-11
<p>An elevation of privilege vulnerability exists when the Windows Runtime improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in an elevated context.</p>
<p>An attacker could exploit this vulnerability by running a specially crafted application on the victim system.</p>
<p>The update addresses the vulnerability by correcting the way the Windows Runtime handles objects in memory.</p>
CVSS Score
5.5
EPSS Score
0.215
Published
2020-09-11
<p>An elevation of privilege vulnerability exists when DirectX improperly handles objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.</p>
<p>To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system.</p>
<p>The update addresses the vulnerability by correcting how DirectX handles objects in memory.</p>
CVSS Score
7.0
EPSS Score
0.009
Published
2020-09-11