Cyber Resilience

CVE-2021-28453

High

Published: 13 April 2021

Published
13 April 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0856 92.6th percentile
Risk Priority 21 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-28453 is a high-severity an unspecified weakness vulnerability in Microsoft Sharepoint Server. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 7.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Microsoft Word Remote Code Execution Vulnerability

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
365 apps
all versions
microsoft
office
2019
microsoft
office online server
all versions
microsoft
office web apps
2010
microsoft
office web apps server
2013
microsoft
sharepoint server
2010, 2013, 2016, 2019
microsoft
word
2010, 2013, 2016

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References