Microsoft Office: Word Reliance on Untrusted Inputs in a Security Decision Vulnerability
What to do: Update Microsoft Office or Microsoft 365, then restart the apps.
- Affects
- Microsoft Office
- Identifier
- CVE-2026-21514
- What it is
- Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.
- Official guidance
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.