CVE-2011-1986

Use-after-free vulnerability in Microsoft Excel 2003 SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Use after Free…

published September 15, 2011

CVSS
—
EPSS
22%
Percentile
97.6
In the wild
Unconfirmed
What it is

⚠️ A sneaky use-after-free vulnerability in Microsoft Excel 2003 SP3 could let attackers execute arbitrary code just by opening a crafted spreadsheet! Think of it like leaving your front door wide open while a package is delivered — if someone with bad intentions slips in while you're distracted, they could do some serious damage! 📦 If exploited, an attacker could take full control of your system, stealing sensitive data or installing malicious software. This risk could turn your trusty spreadsheet application into an open door for cybercriminals!

Put simply

Think of it like leaving your front door wide open while a package is delivered — if someone with bad intentions slips in while you're distracted, they could do some serious damage! 📦 This use-after-free vulnerability allows attackers to manipulate memory allocations within Excel, leading to arbitrary code execution when a malicious spreadsheet is opened.

What to do

If exploited, an attacker could take full control of your system, stealing sensitive data or installing malicious software. This risk could turn your trusty spreadsheet application into an open door for cybercriminals! Ensure you're using a more secure, updated version of Excel, and consider implementing robust antivirus solutions to detect such threats. Regularly review and update your software to minimize risk! You've got this! By staying vigilant and proactive, you can keep your systems secure! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.21507 · 97.6th percentile
Published
2011-09-15T10:00Z
EPSS history
Timeline
  • 15 SEP 10:00Z
    Use-after-free vulnerability in Microsoft Excel 2003 SP3 allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Use after Free…
    cvelistv5