Disclosure summary
Microsoft Office Excel contains a remote code execution vulnerability that could allow an attacker to take complete control of an affected system if a user opens a specially crafted Excel file that includes a malformed object.
CISA remediation 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.
Original records & references
PUBLISHED 2026-04-14T00:00:00-04:00
MODIFIED 2026-04-14T00:00:00-04:00
INGESTED 2026-10-06T11:42:57-04:00