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CVE-2026-40367

Microsoft Word Remote Code Execution vulnerability

Microsoft

MSRC advisory May 20, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-40367
Affected products
Microsoft Word Remote Code Execution · Microsoft Microsoft Word Remote Code Execution · Microsoft

What happened

Today's changes were made in error and have been reverted. This is an informational change only.

What it means for your business

Microsoft Word Remote Code Execution vulnerability (CVE-2026-40367) was added to Microsoft’s security update guidance. Today's changes were made in error and have been reverted. This is an informational change only. If you need help checking exposure, call (864) 335-9223.

Sources

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