Security Alerts




Four Critical Spreadsheet Handling Flaws in Excel

Severity: Medium Summary: These vulnerabilities affect: Excel (and Office) 2003 through 2010 for Mac and PC (and related components) How an attacker exploits it: By enticing one of your users to open a malicious Excel document Impact: In the worst case, an attacker executes code on your user’s computer, gaining complete control of it What to do: Install Microsoft’s Excel updates as soon as possible, or let Microsoft’s automatic update do it for you Exposure: As part of today’s Patch Day, Microsoft released a security bulletin describing four vulnerabilities found in Excel — part of Microsoft Office for Windows and Mac. The flaws also affect the Excel viewer and Office Compatibility Package. Though the four vulnerabilities differ technically, they are all memory corruption issues which share the same scope and impact.

Source:
Four Critical Spreadsheet Handling Flaws in Excel
November 13, 2012 — Category: Security Alerts