CyberWatch Newsroom Live Intel

Critical CVE-2026-81388 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81388 Microsoft Excel Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Windows / Microsoft 365

Advisory

Moderate CVE-2026-81387 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81387 Microsoft Excel Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Windows / Microsoft 365

Advisory

Critical CVE-2026-81386 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81386 Microsoft Excel Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Windows / Microsoft 365

Advisory

Moderate CVE-2026-80091 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80091 Microsoft Office Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80090 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80090 Microsoft Office Word Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80089 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80089 Microsoft Office Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80088 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80088 Microsoft Office Word Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80087 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80087 Microsoft Office Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80086 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80086 Microsoft Office PowerPoint Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-80085 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80085 Microsoft Office Word Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80082 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80082 Microsoft Office Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-80080 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80080 Microsoft Office Word Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80078 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80078 Microsoft Office Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-80076 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-80076 Microsoft Office Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-78525 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78525 Microsoft Office Outlook Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-78521 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78521 Microsoft Office Word Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-78520 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78520 Microsoft Office Outlook Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-78518 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78518 Microsoft Office Excel Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-78515 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78515 Microsoft Office Excel Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-78514 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78514 Microsoft Office Word Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Moderate CVE-2026-78513 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78513 Microsoft Office PowerPoint Information Disclosure Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-78512 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78512 Microsoft Office Word Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-78511 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78511 Microsoft Office Word Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Microsoft Office

Advisory

Critical CVE-2026-78510 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-78510 Microsoft Outlook and Word Remote Code Execution Vulnerability

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.

Fix: Deploy cumulative update via Windows Update or Microsoft Update Catalog.

Windows / Microsoft 365

Advisory