Microsoft security briefs
3324 published alerts for Microsoft products and services.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68810) was added to Microsoft’s security update guidance. Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-68808) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68807) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68806) was added to Microsoft’s security update guidance. Out-of-bounds write in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68805) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68804) 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.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68803) was added to Microsoft’s security update guidance. Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-68802) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68801) 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.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68800) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-68799) was added to Microsoft’s security update guidance. Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68798) 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.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-68797) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68796) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68795) was added to Microsoft’s security update guidance. Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68793) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Elevation of Privilege vulnerability
Microsoft Office Elevation of Privilege vulnerability (CVE-2026-68792) was added to Microsoft’s security update guidance. Improper neutralization of special elements used in a command ('command injection') in Microsoft Office allows an authorized attacker to elevate privileges locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-66810) was added to Microsoft’s security update guidance. Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Graphics Component Information Disclosure vulnerability
Microsoft Office Graphics Component Information Disclosure vulnerability (CVE-2026-66809) 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.
Microsoft SharePoint Server Remote Code Execution vulnerability
Microsoft SharePoint Server Remote Code Execution vulnerability (CVE-2026-66808) was added to Microsoft’s security update guidance. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Graphics Component Remote Code Execution vulnerability
Microsoft Office Graphics Component Remote Code Execution vulnerability (CVE-2026-66807) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-66806) was added to Microsoft’s security update guidance. Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft SharePoint Server Remote Code Execution vulnerability
Microsoft SharePoint Server Remote Code Execution vulnerability (CVE-2026-66805) was added to Microsoft’s security update guidance. Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network. If you need help checking exposure, call (864) 335-9223.
Windows Device Health Attestation (DHA) Remote Code Execution vulnerability
Windows Device Health Attestation (DHA) Remote Code Execution vulnerability (CVE-2026-66802) was added to Microsoft’s security update guidance. Corrected the Executive Summary to clarify that the vulnerability affects Windows Device Health Attestation (DHA), not Microsoft Azure Attestation. This is an informational change only. If you need help checking exposure, call (864) 335-9223.