CVE-2026-55023 Details

A vulnerability allowing out-of-bounds read has been identified in Microsoft Office. This issue enables an unauthorized attacker to locally disclose information. The vulnerability arises from improper memory access, which could potentially be exploited to read sensitive data from memory.

Users can apply the security updates provided by Microsoft to address this vulnerability. These security updates are available through the Microsoft Update Catalog. For specific guidance on which updates to install, refer to the Microsoft Knowledge Base articles linked in the Security Update Guide.