Microsoft security briefs
3328 published alerts for Microsoft products and services.
Microsoft Word Information Disclosure vulnerability
Microsoft Word Information Disclosure vulnerability (CVE-2026-45466) 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 Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-45463) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Office for Android. Customers running affected Microsoft Office for Android software should install the update for their product to be protected from this vulnerability. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-45461) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Office for Android. Customers running affected Microsoft Office for Android software should install the update for their product to be protected from this vulnerability. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Information Disclosure vulnerability
Microsoft Office Information Disclosure vulnerability (CVE-2026-45460) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Office for Android. Customers running affected Microsoft Office for Android software should install the update for their product to be protected from this vulnerability. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Security Feature Bypass vulnerability
Microsoft Excel Security Feature Bypass vulnerability (CVE-2026-45459) 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 Outlook and Word Remote Code Execution vulnerability
Microsoft Outlook and Word Remote Code Execution vulnerability (CVE-2026-45458) 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 Word Remote Code Execution vulnerability
Microsoft Word Remote Code Execution vulnerability (CVE-2026-45457) 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 Outlook and Word Remote Code Execution vulnerability
Microsoft Outlook and Word Remote Code Execution vulnerability (CVE-2026-45456) 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 Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-45455) 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 Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-44824) 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 Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-44823) 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 Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-44822) 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 Information Disclosure vulnerability
Microsoft Office Information Disclosure vulnerability (CVE-2026-44821) 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 Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-44820) 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 Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-44819) 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 Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-44818) 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 Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-44817) 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.
Windows Graphics Component Remote Code Execution vulnerability
Windows Graphics Component Remote Code Execution vulnerability (CVE-2026-44812) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Word, PowerPoint, Excel for Android. Customers running affected Microsoft Office for Android software should install the update for their product to be protected from this vulnerability. If you need help checking exposure, call (864) 335-9223.
Windows Graphics Component Remote Code Execution vulnerability
Windows Graphics Component Remote Code Execution vulnerability (CVE-2026-44803) was added to Microsoft’s security update guidance. Microsoft is announcing the availability of the security updates for Microsoft Word, PowerPoint, Excel for Android. Customers running affected Microsoft Office for Android software should install the update for their product to be protected from this vulnerability. If you need help checking exposure, call (864) 335-9223.
Windows Kerberos Denial of Service vulnerability
Windows Kerberos Denial of Service vulnerability (CVE-2026-42903) 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.
Windows Kernel Elevation of Privilege vulnerability
Windows Kernel Elevation of Privilege vulnerability (CVE-2026-24289) was added to Microsoft’s security update guidance. Acknowledgement added. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Inappropriate implementation in Updater in Microsoft Edge vulnerability
Inappropriate implementation in Updater in Microsoft Edge vulnerability (CVE-2026-12468) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Use after free in Extensions in Microsoft Edge vulnerability
Use after free in Extensions in Microsoft Edge vulnerability (CVE-2026-12467) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Heap buffer overflow in WebRTC in Microsoft Edge vulnerability
Heap buffer overflow in WebRTC in Microsoft Edge vulnerability (CVE-2026-12466) was added to Microsoft’s security update guidance. Corrected CVE title. This is an informational change only. If you need help checking exposure, call (864) 335-9223.