Tracker / CVE-2026-55054
CVE-2026-55054
Medium 6.5
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network.
Affected products and versions
| microsoft | 365_apps |
|---|---|
| microsoft | excel |
| microsoft | office |
| microsoft | office_2021 |
| microsoft | office_2021 · … → 16.111.26071215 |
| microsoft | office_2024 |
| microsoft | office_2024 · … → 16.111.26071215 |
| microsoft | office_365 · … → 16.111.26071215 |
| microsoft | office_online_server · … → 16.0.10417.20175 |
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.