CVE-2009-0238
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
—
EPSS — probability of exploitation (30 days)
43.2%
98.7th percentile
CISA KEV
Listed
Added 2026-04-14 · patch by 2026-04-28
Weakness / dates
—
Published — · modified —
Timeline
- 2026-04-14 — Added to CISA KEV (actively exploited)
- 2026-04-28 — CISA patch-by deadline
Description
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.