EXPOSURES › CVE-2009-0563
CVE-2009-0563
HIGH ⌖ ON CISA KEV · EXPLOITEDA 2009 Microsoft Office buffer overflow flaw allowed remote attackers to execute code via crafted Word documents.
This unpatched vulnerability was actively exploited in the wild, enabling remote code execution through malicious Office files. DIB organizations must ensure all Office applications are patched and restricted, as this represents a high-embarrassment failure due to its age and active exploitation.
Shame score — A known, unpatched vulnerability from 2009 that remained actively exploited in the wild, demonstrating severe negligence in patch management and vulnerability lifecycle handling.
▸ RECOMMENDED ACTION Actively exploited (CISA KEV) — remediate now, ahead of your normal patch cycle.
Microsoft Office contains a buffer overflow vulnerability that allows remote attackers to execute code via a Word document with a crafted tag containing an invalid length field.
| PRODUCT | STATUS |
|---|---|
| Azure Commercial Cloud Microsoft |
Authorized |
| Azure Government (includes Dynamics 365) Microsoft |
Authorized |
| Microsoft Office 365 GCC High Microsoft |
In Process |
| Office 365 Multi-Tenant & Supporting Services Microsoft |
Authorized |