IT

Tracker / CVE-2026-42831

CVE-2026-42831

High 7.8

Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.

Affected products and versions

microsoft 365_copilot · … → 16.0.19822.20190
microsoft office
microsoft office_long_term_servicing_channel

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