IT

Tracker / CVE-2026-45455

CVE-2026-45455

Low 3.3

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Affected products and versions

microsoft 365_apps
microsoft excel
microsoft microsoft_365
microsoft office_2019
microsoft office_2021
microsoft office_2024
microsoft office_online_server

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References