CVE-2007-0028

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted…

published January 9, 2007

CVSS
—
EPSS
34%
Percentile
98.4
In the wild
Unconfirmed
What it is

⚠️ A crafty XLS file is all it takes to exploit this vulnerability! Microsoft Excel versions 2000-2003, along with Office for Mac, are susceptible to attacks that exploit improper opcode handling. 💥 Think of it as a restaurant that serves meals without checking the ingredients. A malicious chef can sneak in a dish that looks normal, but once served, it can wreak havoc in the kitchen, just like this crafted file can run arbitrary code. 🍽️ If an unsuspecting user opens the infected XLS file, it could lead to arbitrary code execution on their device. This means the attacker could take control, steal sensitive data, or even cause system crashes — not exactly a pleasant dining experience!

Put simply

Think of it as a restaurant that serves meals without checking the ingredients. A malicious chef can sneak in a dish that looks normal, but once served, it can wreak havoc in the kitchen, just like this crafted file can run arbitrary code. 🍽️ This vulnerability arises from the way Microsoft Excel handles specific opcodes, allowing user-assisted remote attackers to execute arbitrary code when a malicious XLS file is opened. It’s a classic case of improper memory access, leading to potential exploitation.

What to do

If an unsuspecting user opens the infected XLS file, it could lead to arbitrary code execution on their device. This means the attacker could take control, steal sensitive data, or even cause system crashes — not exactly a pleasant dining experience! To mitigate this risk, users should avoid opening suspicious XLS files from unknown sources. Additionally, consider upgrading to a more recent version of Excel that has addressed these vulnerabilities, or switching to a more secure alternative. 🛡️ You’ve got this! Stay vigilant and keep your software updated, and you’ll be a security hero in no time! 🚀

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.33931 · 98.4th percentile
Published
2007-01-09T23:00Z
EPSS history
Timeline
  • 09 JAN 23:00Z
    Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted…
    cvelistv5