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CVE-2026-45645

Microsoft Office Remote Code Execution vulnerability

Microsoft

MSRC advisory June 19, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-45645
Affected products
Microsoft Office Remote Code Execution · Microsoft Microsoft Office Remote Code Execution · Microsoft

What happened

Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not need to take any action. See the [Release Notes](https://go.microsoft.com/fwlink/p/?linkid=831049) for more information and download links.

What it means for your business

Microsoft Office Remote Code Execution vulnerability (CVE-2026-45645) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Office for Mac. Customers running affected Mac software should install the update for their product to be protected from this vulnerability. Customers running other Microsoft Office software do not… If you need help checking exposure, call (864) 335-9223.

Sources

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