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Microsoft Office Memory Corruption Leads to Remote Code Execution

ECHO-758d-edbe-6881
Summary

A vulnerability in Microsoft Office can allow attackers to execute malicious code on a victim's computer by sending a specially crafted file. This could potentially allow a hacker to take control of the computer or steal sensitive information. To protect your computer, make sure your Microsoft Office software is up to date, and be cautious when opening files from unknown sources.

What to do

No fix is available yet. Check with your software vendor for updates.

Affected software
VendorProductAffected versionsFix available
python-aiohttp All versions
Original title
ECHO-758d-edbe-6881
Published: 3 Apr 2026 · Updated: 3 Apr 2026 · First seen: 3 Apr 2026