CVE-2026-55054

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel (affected versions not specified)

Description An out-of-bounds read issue exists that allows an unauthorized attacker to disclose information over a network. An out-of-bounds read occurs when the software reads data past the end of the intended buffer, potentially exposing sensitive memory contents.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.