Vulnerability record · CVE-2009-0562 · published 12 August 2009
CVE-2009-0562: Microsoft isa server vulnerability
Microsoft · Isa Server
The Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 does not properly allocate memory, which allows remote attackers to execute arbitrary code via unspecified vectors that trigger "system state" corruption, aka "Office Web Components Memory Allocation Vulnerability."
Description
The Office Web Components ActiveX Control in Microsoft Office XP SP3, Office 2003 SP3, Office XP Web Components SP3, Office 2003 Web Components SP3, Office 2003 Web Components SP1 for the 2007 Microsoft Office System, Internet Security and Acceleration (ISA) Server 2004 SP3 and 2006 SP1, and Office Small Business Accounting 2006 does not properly allocate memory, which allows remote attackers to execute arbitrary code via unspecified vectors that trigger "system state" corruption, aka "Office Web Components Memory Allocation Vulnerability."
AV:N/AC:M/Au:N/C:C/I:C/A:C
Affected products
3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.
References
Track CVE-2009-0562 inside VULONE
Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.
Related vulnerabilities
Same products first, then exploited flaws of the same weakness class.
Source: NIST National Vulnerability Database (record CVE-2009-0562), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.