CVE-2026-56192 Details

A vulnerability allowing out-of-bounds read has been identified in Microsoft Office. This issue enables an unauthorized attacker to locally disclose information by reading small portions of heap memory. The vulnerability affects multiple products within the Microsoft Office suite, including various editions of Microsoft 365 Apps for Enterprise, Microsoft Office 2019, Microsoft Office 2016, and several SharePoint Server versions.

Users can download the security update for this vulnerability through the Microsoft Update Catalog. Specific update details can be found in the Microsoft Security Update Guide.