ACTIVE EXPLOIT: Immediate action required!
What You Need to Do?
A high-severity flaw has been discovered in Microsoft Office that allows attackers to take control of a computer if a malicious file is opened.
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Be Skeptical: Do not open any unexpected Word, Excel, or PowerPoint attachments, even if they appear to arrive from a trusted contact.
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Restart Applications: If you use Microsoft 365 or Office 2021, close and restart all Office apps immediately to initialize the background fix.
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Report Suspicious Activity: If you have opened a suspicious file, contact IT Support at [Insert Contact Info] immediately.
Technical Briefing:
This is an out-of-band update addressing a Security Feature Bypass (CVE-2026-21509) targeting COM/OLE protections.
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Source: Microsoft
