June 8, 2022 · Applied Cybernetics Group
CVE-2009-0557 — Microsoft Office
Microsoft Office Object Record Corruption Vulnerability
- Added to KEV
2022-06-08- Federal due date
2022-06-22- Vendor
- Microsoft
- Product
- Office
- EPSS
- 98.9th percentile (score 0.530, as of
2026-10-04) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2009-0557
CISA short description
Microsoft Office contains an object record corruption vulnerability that allows remote attackers to execute code via a crafted Excel file with a malformed record object.
Required action
Apply updates per vendor instructions.