CVE-2026-97780
Microsoft Office Excel Remote Code Execution vulnerability
MSRC advisory October 13, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-97780
- Affected products
- Microsoft Office Excel Remote Code Execution · Microsoft Microsoft Office Excel 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 Excel Remote Code Execution vulnerability (CVE-2026-97780) 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
Related briefs
Microsoft Office Excel Remote Code Execution vulnerability
Microsoft Office Excel Remote Code Execution vulnerability (CVE-2026-108446) was added to Microsoft’s security update guidance. Information published. This CVE was addressed by updates that were released in October 2026, but the CVE was inadvertently omitted from the October 2026 Security Updates. This is an informational change only. Customers who have already installed the October 2026 updates do not… If you need help checking exposure, call (864) 335-9223.
Microsoft Office Excel Remote Code Execution vulnerability
Microsoft Office Excel Remote Code Execution vulnerability (CVE-2026-97778) 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.
Microsoft Office Excel Remote Code Execution vulnerability
Microsoft Office Excel Remote Code Execution vulnerability (CVE-2026-97777) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Excel Remote Code Execution vulnerability
Microsoft Office Excel Remote Code Execution vulnerability (CVE-2026-97776) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.