Vulnerability · Published Aug 17, 2020 · Assigned by microsoft

CVE-2020-1503Microsoft Word Information Disclosure Vulnerability

Medium 5.5

In plain English

A medium-severity security flaw in Microsoft 365 Apps for Enterprise from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.6% (higher than 92% of all known vulnerabilities).

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)4.6%top 8.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An information disclosure vulnerability exists when Microsoft Word 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. The update addresses the vulnerability by changing the way certain Word functions handle objects in memory.

Affected products (as reported)

VendorProductVersions
Microsoft Microsoft SharePoint Enterprise Server 2016 16.0.0 – before publication
Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1 15.0.0 – before publication
Microsoft Microsoft SharePoint Server 2019 16.0.0 – before publication
Microsoft Microsoft Office 2019 19.0.0 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Office 2019 for Mac 16.0.0 – before publication
Microsoft Microsoft Office Online Server 16.0.1 – before publication
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 – before https://aka.ms/OfficeSecurityReleases
Microsoft Microsoft Word 2016 16.0.1 – before publication
Microsoft Microsoft Office 2016 for Mac 16.0.0 – before publication
Microsoft Microsoft Office 2010 Service Pack 2 13.0.0.0 – before publication
Microsoft Microsoft Office Web Apps 2010 Service Pack 2 13.0.0 – before publication
Microsoft Microsoft Office Web Apps 2013 Service Pack 1 15.0.0.0 – before publication
Microsoft Microsoft SharePoint Server 2010 Service Pack 2 13.0.0.0 – before publication
Microsoft Microsoft Word 2010 Service Pack 2 13.0.0.0 – before publication
Microsoft Microsoft Word 2013 Service Pack 1 15.0.1 – before publication
Microsoft Microsoft Word 2013 Service Pack 1 15.0.1 – before publication

References