{"cvss":0.0,"datePublished":"2026-04-14","dateUpdated":"2026-04-14","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.","dueDate":"2026-04-28","id":"CVE-2009-0238","kev_catalogs":["cisa"],"knownRansomwareCampaignUse":"Unknown","notes":"https://learn.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-009 ; https://nvd.nist.gov/vuln/detail/CVE-2009-0238","product":"Office","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","severity":"HIGH","source":"cisa_known_exploited","title":"Microsoft Office Remote Code Execution","vendor":"Microsoft"}