CVE-2020-1583

Microsoft Word Information Disclosure Vulnerability

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.

8.8

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 15.19% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft SharePoint Enterprise Server 2016

Affected: Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1

Affected: Microsoft Microsoft SharePoint Server 2019

Affected: Microsoft Microsoft Office 2019

Affected: Microsoft Microsoft Office 2019 for Mac

Affected: Microsoft Microsoft Office Online Server

Affected: Microsoft Microsoft 365 Apps for Enterprise

Affected: Microsoft Microsoft Word 2016

Affected: Microsoft Microsoft Office 2016 for Mac

Affected: Microsoft Microsoft Office 2010 Service Pack 2

Affected: Microsoft Microsoft Office Web Apps 2010 Service Pack 2

Affected: Microsoft Microsoft Office Web Apps 2013 Service Pack 1

Affected: Microsoft Microsoft SharePoint Server 2010 Service Pack 2

Affected: Microsoft Microsoft Word 2010 Service Pack 2

Affected: Microsoft Microsoft Word 2013 Service Pack 1

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1583	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-1583?: CVE-2020-1583 has been scored as a high severity vulnerability.
How to fix CVE-2020-1583?: To fix CVE-2020-1583, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-1583 being actively exploited in the wild?: It is possible that CVE-2020-1583 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-1583?: CVE-2020-1583 affects Microsoft Microsoft SharePoint Enterprise Server 2016, Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1, Microsoft Microsoft SharePoint Server 2019, Microsoft Microsoft Office 2019, Microsoft Microsoft Office 2019 for Mac, Microsoft Microsoft Office Online Server, Microsoft Microsoft 365 Apps for Enterprise, Microsoft Microsoft Word 2016, Microsoft Microsoft Office 2016 for Mac, Microsoft Microsoft Office 2010 Service Pack 2, Microsoft Microsoft Office Web Apps 2010 Service Pack 2, Microsoft Microsoft Office Web Apps 2013 Service Pack 1, Microsoft Microsoft SharePoint Server 2010 Service Pack 2, Microsoft Microsoft Word 2010 Service Pack 2, Microsoft Microsoft Word 2013 Service Pack 1, Microsoft Microsoft Word 2013 Service Pack 1 .