CVE-2026-45475
Microsoft Office Remote Code Execution vulnerability
MSRC advisory June 9, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-45475
- 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-2026-45475) 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 Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-70130) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Edge (Chromium-based) Remote Code Execution vulnerability
Microsoft Edge (Chromium-based) Remote Code Execution vulnerability (CVE-2026-72970) was added to Microsoft’s security update guidance. <p>Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft PowerShell Security Feature Bypass vulnerability
Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. The security updates for Powershell have been updated. If you need help checking exposure, call (864) 335-9223.
Microsoft PowerShell Remote Code Execution vulnerability
Microsoft PowerShell Remote Code Execution vulnerability (CVE-2026-70337) was added to Microsoft’s security update guidance. The security updates for Powershell have been updated. 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.