CVE-2021-43255

MEDIUM

Microsoft 365 Apps and Office - Trust Center Spoofing

Title source: llm
STIX 2.1

Description

Microsoft Office Trust Center Spoofing Vulnerability

References (1)

Core 1
Core References

Scores

CVSS v3 5.5
EPSS 0.0198
EPSS Percentile 78.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (7)
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 (2 CPE variants)
microsoft/office 2021 (2 CPE variants)
microsoft/office_long_term_servicing_channel 2021 (2 CPE variants)
Published Dec 15, 2021
Tracked Since Feb 18, 2026