CVE-2009-0557
Microsoft Office Object Record Corruption Vulnerability
Microsoft · Office
Vulnerability details
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.
Added to CISA KEV: 2022-06-08
Ransomware campaign use: Unknown
CISA due date: 2022-06-22
Defensive guidance from CISA
Apply updates per vendor instructions.
This is the source's required-action field, not an independently validated patch procedure. Refer to the vendor for exact affected versions and fixes.
Source catalog date: 2026-11-06T19:44:45.1797Z · Last retrieved: 2026-11-06 21:02:26 UTC