Microsoft security briefs
3323 published alerts for Microsoft products and services.
Microsoft Office Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-83951) was added to Microsoft’s security update guidance. <p>Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-83949) was added to Microsoft’s security update guidance. <p>Buffer over-read in Microsoft Office Word allows an unauthorized attacker to disclose information locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Azure CLI Remote Code Execution vulnerability
Microsoft Azure CLI Remote Code Execution vulnerability (CVE-2026-83948) was added to Microsoft’s security update guidance. <p>Improper neutralization of special elements used in a command ('command injection') in Microsoft Azure CLI allows an authorized attacker to execute code over a network.</p> If you need help checking exposure, call (864) 335-9223.
Windows Kernel Elevation of Privilege vulnerability
Windows Kernel Elevation of Privilege vulnerability (CVE-2026-83942) was added to Microsoft’s security update guidance. <p>Missing authorization in Windows Kernel allows an authorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.
Windows Device Association Service Elevation of Privilege vulnerability
Windows Device Association Service Elevation of Privilege vulnerability (CVE-2026-83940) was added to Microsoft’s security update guidance. <p>Use after free in Windows Device Association Service allows an authorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.
Windows Secure Kernel Mode Elevation of Privilege vulnerability
Windows Secure Kernel Mode Elevation of Privilege vulnerability (CVE-2026-83939) was added to Microsoft’s security update guidance. <p>Untrusted pointer dereference in Windows Secure Kernel Mode allows an authorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Azure Active Directory B2C Elevation of Privilege vulnerability
Microsoft Azure Active Directory B2C Elevation of Privilege vulnerability (CVE-2026-83711) was added to Microsoft’s security update guidance. <p>Authorization bypass through user-controlled key in Microsoft Azure Active Directory B2C allows an unauthorized attacker to elevate privileges over a network.</p> If you need help checking exposure, call (864) 335-9223.
Windows Virtualization-Based Security (VBS) Information Disclosure vulnerability
Windows Virtualization-Based Security (VBS) Information Disclosure vulnerability (CVE-2026-83501) was added to Microsoft’s security update guidance. <p>Out-of-bounds read in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.</p> If you need help checking exposure, call (864) 335-9223.
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege vulnerability
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege vulnerability (CVE-2026-83498) was added to Microsoft’s security update guidance. <p>Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to elevate privileges locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Windows Link Following Vulnerability
Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-81963). Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM. CISA remediation due date: 2026-09-22. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-81960) 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-2026-81959) was added to Microsoft’s security update guidance. <p>Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-81958) 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-2026-81957) 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-2026-81956) 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-2026-81955) 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-2026-81954) 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-2026-81953) 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-2026-81952) 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-2026-81951) 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-2026-81950) 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-2026-81949) 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-2026-81948) 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-2026-81947) 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.