What is CVE-2021-31174?

CVE-2021-31174 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Microsoft Excel Information Disclosure Vulnerability

Which CVE IDs does CVE-2021-31174 cover?

CVE-2021-31174 covers the following CVE IDs: CVE-2021-31174. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-31174?

CVE-2021-31174 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-31174?

CVE-2021-31174 affects 16 products, including: Microsoft 365 Apps for Enterprise for 32-bit Systems; Microsoft 365 Apps for Enterprise for 64-bit Systems; Microsoft Excel 2013 RT Service Pack 1; Microsoft Excel 2013 Service Pack 1 (32-bit editions); Microsoft Excel 2013 Service Pack 1 (64-bit editions); and others — see the full list on the advisory page.

CVE-2021-31174HighCVSS 5.5

Microsoft Excel Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 11, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-31174 →

📋 Description

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory.

Is the Preview Pane an attack vector for this vulnerability? No, the Preview Pane is not an attack vector.

🎯 Affected products16

Microsoft 365 Apps for Enterprise for 32-bit Systems
Microsoft 365 Apps for Enterprise for 64-bit Systems
Microsoft Excel 2013 RT Service Pack 1
Microsoft Excel 2013 Service Pack 1 (32-bit editions)
Microsoft Excel 2013 Service Pack 1 (64-bit editions)
Microsoft Excel 2016 (32-bit edition)
Microsoft Excel 2016 (64-bit edition)
Microsoft Office 2013 RT Service Pack 1
Microsoft Office 2013 Service Pack 1 (32-bit editions)
Microsoft Office 2013 Service Pack 1 (64-bit editions)
Microsoft Office 2016 (32-bit edition)
Microsoft Office 2016 (64-bit edition)
Microsoft Office 2019 for 32-bit editions
Microsoft Office 2019 for 64-bit editions
Microsoft Office Online Server
Microsoft Office Web Apps Server 2013 Service Pack 1

✅ Remediation

KBClick to Run (Security Update) — fixed build https://aka.ms/OfficeSecurityReleases KB5001914 (Security Update) — fixed build 16.0.10374.20000 KB5001918 (Security Update) — fixed build 16.0.5161.1000 KB5001923 (Security Update) — fixed build 16.0.5161.1000 KB5001936 (Security Update) — fixed build 15.0.5345.1000 KB5001927 (Security Update) — fixed build 15.0.5345.1000 KB5001928 (Security Update) — fixed build 15.0.5345.1000

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products16

✅ Remediation

🔗 References (11)