CVE-2020-1342High

Microsoft Office Information Disclosure Vulnerability

Published
July 14, 2020
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2020-1342 →

📋 Description

An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, which could disclose the contents of memory. An attacker who successfully exploited the vulnerability could view out of bound memory. Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Office software. The security update addresses the vulnerability by properly initializing the affected variable.

🎯 Affected products22

  • Microsoft 365 Apps for Enterprise for 32-bit Systems
  • Microsoft 365 Apps for Enterprise for 64-bit Systems
  • Microsoft Office 2010 Service Pack 2 (32-bit editions)
  • Microsoft Office 2010 Service Pack 2 (64-bit editions)
  • Microsoft Office 2016 for Mac
  • Microsoft Office 2019 for 32-bit editions
  • Microsoft Office 2019 for 64-bit editions
  • Microsoft Office 2019 for Mac
  • Microsoft Office Online Server
  • Microsoft Office Web Apps 2010 Service Pack 2
  • Microsoft Office Web Apps 2013 Service Pack 1
  • Microsoft SharePoint Enterprise Server 2013 Service Pack 1
  • Microsoft SharePoint Enterprise Server 2016
  • Microsoft SharePoint Server 2010 Service Pack 2
  • Microsoft SharePoint Server 2019
  • Microsoft Word 2010 Service Pack 2 (32-bit editions)
  • Microsoft Word 2010 Service Pack 2 (64-bit editions)
  • Microsoft Word 2013 RT Service Pack 1
  • Microsoft Word 2013 Service Pack 1 (32-bit editions)
  • Microsoft Word 2013 Service Pack 1 (64-bit editions)
  • Microsoft Word 2016 (32-bit edition)
  • Microsoft Word 2016 (64-bit edition)

✅ Remediation

KB4484436 (Security Update) KB4484440 (Security Update) KB4484348 (Security Update) KB4484453 (Security Update) KB4484452 (Security Update) KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KBRelease Notes (Security Update) KB4484451 (Security Update) KB4484438 (Security Update) KB4484456 (Security Update) KB4484381 (Security Update) KB4484357 (Security Update) KB4484370 (Security Update) KB4484458 (Security Update) KB4484446 (Security Update)

🔗 References (19)