CVE-2021-31174

MEDIUM

Microsoft 365 Apps - Out-of-Bounds Read

Title source: rule

Microsoft Excel Information Disclosure Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 5.5

EPSS 0.0050

EPSS Percentile 66.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CWE

CWE-125

Status published

Products (8)

microsoft/365_apps

microsoft/excel 2013 sp1 (2 CPE variants)

microsoft/excel 2016

microsoft/office 2013 sp1 (2 CPE variants)

microsoft/office 2016

microsoft/office 2019

microsoft/office_online_server

microsoft/office_web_apps_server 2013 sp1

Published May 11, 2021

Tracked Since Feb 18, 2026