CISA description
Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally.
CVE-2026-21514
Microsoft · Office
Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes & references
Where this lands in 800-53
Vulnerability data triggers these controls during assessment and continuous monitoring.