Microsoft security briefs
3323 published alerts for Microsoft products and services.
Microsoft Office Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-78524) 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 DNS Server Denial of Service vulnerability
Windows DNS Server Denial of Service vulnerability (CVE-2026-78523) was added to Microsoft’s security update guidance. <p>Use after free in Windows DNS allows an unauthorized attacker to deny service over a network.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-78522) was added to Microsoft’s security update guidance. <p>Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-78521) 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 Outlook Information Disclosure vulnerability
Microsoft Office Outlook Information Disclosure vulnerability (CVE-2026-78520) 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 Outlook Remote Code Execution vulnerability
Microsoft Office Outlook Remote Code Execution vulnerability (CVE-2026-78519) was added to Microsoft’s security update guidance. <p>Use of uninitialized resource in Microsoft Office Outlook allows an unauthorized attacker to execute code over a network.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Office Excel Remote Code Execution vulnerability
Microsoft Office Excel Remote Code Execution vulnerability (CVE-2026-78518) 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 Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-78517) 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 Storage Information Disclosure vulnerability
Windows Storage Information Disclosure vulnerability (CVE-2026-78516) was added to Microsoft’s security update guidance. <p>Buffer over-read in Windows Storage allows an unauthorized attacker to disclose information with a physical attack.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Office Excel Information Disclosure vulnerability
Microsoft Office Excel Information Disclosure vulnerability (CVE-2026-78515) 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 Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-78514) 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 PowerPoint Information Disclosure vulnerability
Microsoft Office PowerPoint Information Disclosure vulnerability (CVE-2026-78513) 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 Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-78512) 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 Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-78511) 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-2026-78510) 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 Outlook Remote Code Execution vulnerability
Microsoft Office Outlook Remote Code Execution vulnerability (CVE-2026-78509) 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 CD-ROM Driver Information Disclosure vulnerability
Windows CD-ROM Driver Information Disclosure vulnerability (CVE-2026-78508) was added to Microsoft’s security update guidance. <p>Out-of-bounds read in Windows CD-ROM Driver allows an unauthorized attacker to disclose information with a physical attack.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-78507) 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 Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-78506) 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-2026-78505) 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 Word Remote Code Execution vulnerability
Microsoft Office Word Remote Code Execution vulnerability (CVE-2026-78504) 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 Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-78503) 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 Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-78502) 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 MIDI Service Module Elevation of Privileges vulnerability
Windows MIDI Service Module Elevation of Privileges vulnerability (CVE-2026-78464) was added to Microsoft’s security update guidance. <p>Time-of-check time-of-use (toctou) race condition in Windows MIDI Service Module allows an authorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.