Vulnerability record

msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-40444

Published on: msrc.microsoft.com

ATT&CK techniques those detections carry

T1566.001Spearphishing Attachment
T1218.011Rundll32
T1218.002Control Panel

6 published detections cite this

Citing it, not covering it: each of these was written with this as evidence, and carries the source it came from and the licence it was published under.

Detections citing this reference
Detection	Severity	Source	Published	Licence
Rundll32 Control RunDLL Hunt	Medium	Splunk security content	Oct 13, 2026	Apache License 2.0
Control Loading from World Writable Directory	Medium	Splunk security content	Oct 13, 2026	Apache License 2.0
Windows Office Product Spawned Control	Medium	Splunk security content	Aug 26, 2026	Apache License 2.0
Windows Office Product Loaded MSHTML Module	Informational	Splunk security content	Aug 26, 2026	Apache License 2.0
Windows Office Product Dropped Cab or Inf File	Medium	Splunk security content	Aug 26, 2026	Apache License 2.0
Rundll32 Control RunDLL World Writable Directory	Medium	Splunk security content	Aug 26, 2026	Apache License 2.0

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