CVE-2021-40454

MEDIUM

Rich Text Edit Control - Info Disclosure

Title source: llm

Rich Text Edit Control Information Disclosure Vulnerability

Core 1

Core References

Patch, Vendor Advisory x_refsource_misc

CVSS v3 5.5

EPSS 0.0049

EPSS Percentile 37.9%

Attack Vector LOCAL

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

CWE

CWE-312

Status published

Products (23)

microsoft/365_apps (2 CPE variants)

microsoft/office 2013 sp1 (2 CPE variants)

microsoft/office 2013_rt sp1

microsoft/office 2016 (2 CPE variants)

microsoft/office 2019 (3 CPE variants)

microsoft/office 2021 (3 CPE variants)

microsoft/windows_10 (2 CPE variants)

microsoft/windows_10 20h2 (3 CPE variants)

microsoft/windows_10 21h1 (3 CPE variants)

microsoft/windows_10 1607 (2 CPE variants)

... and 13 more

Published Oct 13, 2021

Tracked Since Feb 18, 2026