Download of Security Update for Microsoft Office Outlook 2007 12.0.6744.5000 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
Commonly, this program's installer has the following filenames: MailINITXP.exe, outicon.exe and OUTLOOK.EXE etc. The program lies within System Utilities, more precisely System Optimization. The following version: 12.0 is the most frequently downloaded one by the program users. The actual developer of the free program is Microsoft. We recommend checking the downloaded files with any free antivirus.
From the developer:
This security update resolves several privately reported vulnerabilities in ActiveX Controls for Microsoft Office that were compiled with a vulnerable version of Microsoft Active Template Library (ATL). The vulnerabilities could allow remote code execution if a user loaded a specially crafted component or control.
You may want to check out more software, such as Security Update for Microsoft Office Word 2007 KB969604 or Security Update for Microsoft Office 2010 KB2687413 32-Bit Edition, which might be similar to Security Update for Microsoft Office Outlook 2007.