CVE-2009-0238 — Microsoft Office Remote Code Execution
2026-04-14 • CISA Known Exploited Vulnerability
[event] 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.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Office |
| CWE | CWE-94 |
| CVE ID | CVE-2009-0238 |
| Date Added | 2026-04-14 |
| Due Date | 2026-04-28 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2026-04-28