The Microsoft Office Products are missing security updates. They are, therefore, affected by multiple vulnerabilities:

  - An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having     non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with     invalid display names, which, when added to conversations, remain invisible. (CVE-2019-1084)

  - A spoofing vulnerability exists when Microsoft Office Javascript does not check the validity of the web page making     a request to Office documents. An attacker who successfully exploited this vulnerability could read or write     information in Office documents. (CVE-2019-1109)

  - 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. 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.(CVE-2019-1111)    

  - An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory.
    An attacker who exploited the vulnerability could use the information to compromise the user’s computer or data.
    To exploit the vulnerability, an attacker could craft a special document file and then convince the user to open it.
    An attacker must know the memory address location where the object was created. (CVE-2019-1112)     The update addresses the vulnerability by changing the way certain Excel functions handle objects in memory.

The Microsoft Outlook application installed on the remote host is missing security updates. It is, therefore, affected by a vulnerability:

  - An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having     non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with     invalid display names, which, when added to conversations, remain invisible. (CVE-2019-1084)

The Microsoft Office application installed on the remote macOS or Mac OS X host is missing a security update. It is, therefore, affected by multiple vulnerabilities:

  - An information disclosure vulnerability exists when Exchange allows creation of entities with Display Names having   non-printable characters. An authenticated attacker could exploit this vulnerability by creating entities with   invalid display names, which, when added to conversations, remain invisible. This security update addresses the   issue by validating display names upon creation in Microsoft Exchange, and by rendering invalid display names   correctly in Microsoft Outlook clients. (CVE-2019-1084)

  - 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. 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. The security update   addresses the vulnerability by correcting how Microsoft Excel handles objects in memory.
  (CVE-2019-1110, CVE-2019-1111)

The Microsoft Exchange Server installed on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities :

  - A cross-site-scripting (XSS) vulnerability exists when     Microsoft Exchange Server does not properly sanitize a     specially crafted web request to an affected Exchange     server. An authenticated attacker could exploit the     vulnerability by sending a specially crafted request to     an affected server. The attacker who successfully     exploited the vulnerability could then perform cross-     site scripting attacks on affected systems and run     script in the security context of the current user. The     attacks could allow the attacker to read content that     the attacker is not authorized to read, use the victim's     identity to take actions on the Exchange server on     behalf of the user, such as change permissions and     delete content, and inject malicious content in the     browser of the user. The security update addresses the     vulnerability by helping to ensure that Exchange Server     properly sanitizes web requests. (CVE-2019-1137)

  - An information disclosure vulnerability exists when     Exchange allows creation of entities with Display Names     having non-printable characters. An authenticated     attacker could exploit this vulnerability by creating     entities with invalid display names, which, when added     to conversations, remain invisible. This security update     addresses the issue by validating display names upon     creation in Microsoft Exchange, and by rendering invalid     display names correctly in Microsoft Outlook clients.
    (CVE-2019-1084)

  - An elevation of privilege vulnerability exists in     Microsoft Exchange Server. An attacker who successfully     exploited this vulnerability could gain the same rights     as any other user of the Exchange server. This could     allow the attacker to perform activities such as     accessing the mailboxes of other users. Exploitation of     this vulnerability requires Exchange Web Services (EWS)     to be enabled and in use in an affected environment.
    (CVE-2019-1136)

The Microsoft Skype for Business or Microsoft Lync installation on the remote host is missing a security update. It is, therefore, affected by the following vulnerability :

  - An information disclosure vulnerability exists when     Exchange allows creation of entities with Display Names     having non-printable characters. An authenticated     attacker could exploit this vulnerability by creating     entities with invalid display names, which, when added     to conversations, remain invisible. This security update     addresses the issue by validating display names upon     creation in Microsoft Exchange, and by rendering invalid     display names correctly in Microsoft Outlook clients.
    (CVE-2019-1084)

ID	Name	Product	Family	Published	Updated	Severity
162078	Security Updates for Microsoft Office Products C2R (July 2019)	Nessus	Windows	6/10/2022	10/20/2023	critical
126585	Security Updates for Outlook (July 2019)	Nessus	Windows : Microsoft Bulletins	7/9/2019	10/18/2019	medium
127124	Security Updates for Microsoft Office (July 2019) (macOS)	Nessus	MacOS X Local Security Checks	8/5/2019	5/8/2024	high
126581	Security Updates for Exchange (July 2019)	Nessus	Windows : Microsoft Bulletins	7/9/2019	4/4/2022	high
126583	Security Updates for Microsoft Office Products (July 2019)	Nessus	Windows : Microsoft Bulletins	7/9/2019	6/10/2022	critical
126628	Security Updates for Microsoft Skype for Business and Microsoft Lync (July 2019)	Nessus	Windows : Microsoft Bulletins	7/11/2019	12/12/2019	medium

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