CyberWatch Newsroom Live Intel

Critical CVE-2026-81959 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81959 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-2026-81958 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81958 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-2026-81957 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81957 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

Critical CVE-2026-81956 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81956 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

Critical CVE-2026-81955 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81955 Windows Graphics Component 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 Windows

Advisory

Critical CVE-2026-81954 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81954 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

Critical CVE-2026-81953 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81953 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

Critical CVE-2026-81952 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81952 Microsoft 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

Critical CVE-2026-81950 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81950 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

Critical CVE-2026-81949 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81949 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

Critical CVE-2026-81948 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81948 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

Critical CVE-2026-81947 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81947 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-2026-81401 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81401 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

Moderate CVE-2026-81400 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81400 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

Moderate CVE-2026-81399 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81399 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-2026-81398 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81398 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

Critical CVE-2026-81397 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81397 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-2026-81395 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81395 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

Moderate CVE-2026-81394 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81394 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

Moderate CVE-2026-81393 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81393 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

Moderate CVE-2026-81392 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81392 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

Moderate CVE-2026-81391 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81391 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

Moderate CVE-2026-81390 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81390 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-2026-81389 Microsoft MSRC

2026-09-17 Microsoft MSRC

CVE-2026-81389 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