H3XAOperational intelligence
Live analytical pictureEvidence before assessment
TypeMitigation
External ID—
First seen2026-08-14
Last seen2026-08-14

Confidence

—

Registry keys specific to Microsoft Office feature control security can be set to disable automatic DDE/OLE execution. (Citation: Microsoft DDE Advisory Nov 2017) (Citation: BleepingComputer DDE Disabled in Word Dec 2017) (Citation: GitHub Disable DDEAUTO Oct 2017) Microsoft also created, and enabled by default, Registry keys to completely disable DDE execution in Word and Excel. (Citation: Microsoft ADV170021 Dec 2017) Ensure Protected View is enabled (Citation: Microsoft Protected View) and consider disabling embedded files in Office programs, such as OneNote, not enrolled in Protected View. (Citation: Enigma Reviving DDE Jan 2018) (Citation: GitHub Disable DDEAUTO Oct 2017) On Windows 10, enable Attack Surface Reduction (ASR) rules to prevent DDE attacks and spawning of child processes from Office programs. (Citation: Microsoft ASR Nov 2017) (Citation: Enigma Reviving DDE Jan 2018)

0 recorded

Relationships

No relationships recorded.

8 external

References

mitre-attack
T1173
open
Microsoft DDE Advisory Nov 2017
https://technet.microsoft.com/library/security/4053440
open
BleepingComputer DDE Disabled in Word Dec 2017
https://www.bleepingcomputer.com/news/microsoft/microsoft-disables-dde-feature-in-word-to-prevent-further-malware-attacks/
open
GitHub Disable DDEAUTO Oct 2017
https://gist.github.com/wdormann/732bb88d9b5dd5a66c9f1e1498f31a1b
open
Microsoft ADV170021 Dec 2017
https://portal.msrc.microsoft.com/security-guidance/advisory/ADV170021
open
Microsoft Protected View
https://support.office.com/en-us/article/What-is-Protected-View-d6f09ac7-e6b9-4495-8e43-2bbcdbcb6653
open
Enigma Reviving DDE Jan 2018
https://posts.specterops.io/reviving-dde-using-onenote-and-excel-for-code-execution-d7226864caee
open
Microsoft ASR Nov 2017
https://docs.microsoft.com/windows/threat-protection/windows-defender-exploit-guard/enable-attack-surface-reduction
open