Skip to main content

CVE-2026-80076

Microsoft Office Information Disclosure vulnerability

Microsoft

MSRC advisory September 8, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-80076
Affected products
Microsoft Office Information Disclosure · Microsoft Microsoft Office Information Disclosure · 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 Information Disclosure vulnerability (CVE-2026-80076) 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.

EPSS probability

0.92%

Sources

Related briefs

Microsoft MSRC

CVE-2026-100206

Microsoft Office Information Disclosure vulnerability

Microsoft Office Information Disclosure vulnerability (CVE-2026-100206) was added to Microsoft’s security update guidance. Information published. This CVE was addressed by updates that were released in July 2026, but the CVE was inadvertently omitted from the July 2026 Security Updates. This is an informational change only. Customers who have already installed the July 2026 updates do not need to… If you need help checking exposure, call (864) 335-9223.

Microsoft MSRC

CVE-2026-55121

Microsoft Office Information Disclosure vulnerability

Microsoft Office Information Disclosure vulnerability (CVE-2026-55121) 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 MSRC

CVE-2026-54986

Windows Win32k Elevation of Privilege vulnerability

Windows Win32k Elevation of Privilege vulnerability (CVE-2026-54986) 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 MSRC

CVE-2026-50677

Windows Media Elevation of Privilege vulnerability

Windows Media Elevation of Privilege vulnerability (CVE-2026-50677) 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.