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.

Scores

EPSS (exploitation in 30 days)

4.6% · top 8.4% of all CVEs (6 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.

Weakness

• Remote Code Execution

Affected products

• Microsoft · Microsoft SharePoint Enterprise Server 2016

  • affected 16.0.0 – < publication

• Microsoft · Microsoft SharePoint Enterprise Server 2013 Service Pack 1

  • affected 15.0.0 – < publication

• Microsoft · Microsoft SharePoint Server 2019

  • affected 16.0.0 – < publication

• Microsoft · Microsoft Office 2019

  • affected 19.0.0 – < https://aka.ms/OfficeSecurityReleases

• Microsoft · Microsoft Office 2019 for Mac

  • affected 16.0.0 – < publication

• Microsoft · Microsoft Office Online Server

  • affected 16.0.1 – < publication

• Microsoft · Microsoft 365 Apps for Enterprise

  • affected 16.0.1 – < https://aka.ms/OfficeSecurityReleases

• Microsoft · Microsoft Word 2016

  • affected 16.0.1 – < publication

• Microsoft · Microsoft Office 2016 for Mac

  • affected 16.0.0 – < publication

• Microsoft · Microsoft Office 2010 Service Pack 2

  • affected 13.0.0.0 – < publication

• Microsoft · Microsoft Office Web Apps 2010 Service Pack 2

  • affected 13.0.0 – < publication

• Microsoft · Microsoft Office Web Apps 2013 Service Pack 1

  • affected 15.0.0.0 – < publication

• Microsoft · Microsoft SharePoint Server 2010 Service Pack 2

  • affected 13.0.0.0 – < publication

• Microsoft · Microsoft Word 2010 Service Pack 2

  • affected 13.0.0.0 – < publication

• Microsoft · Microsoft Word 2013 Service Pack 1

  • affected 15.0.1 – < publication

• Microsoft · Microsoft Word 2013 Service Pack 1

  • affected 15.0.1 – < publication

References (1)

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1503 (opens in a new tab)x_refsource_MISCx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2020-1503](https://trackcve.app/badge/CVE-2020-1503.svg)](https://trackcve.app/cve/CVE-2020-1503)

Record last updated 4 Aug 2024, 06:39 UTC.