CVE-2016-7256KEV · OVERDUE

Microsoft Windows Open Type Font Remote Code Execution Vulnerability

High · published November 10, 2016

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 8.8. It is confirmed in active exploitation. It sits in the 99.2th percentile for exploit probability.

1590
days past CISA
deadline
CVSS v3.1
8.8
EPSS
65%
Percentile
99.2
In the wild
Confirmed
What it is

🚨 A crafted website can give attackers remote control over your system—yes, it's as wild as it sounds! 🔥 Think of this vulnerability like a sneaky delivery driver who can drop off a package anywhere, even if it’s meant for someone else—if the address is just right, they can walk right in. 🎭 An attacker could exploit this vulnerability to execute arbitrary code on your machine, meaning they could potentially steal data, install malware, or even take complete control of your system. That's absolutely devastating, especially since it affects multiple versions of Windows that people still rely on! ⚠️

Put simply

Think of this vulnerability like a sneaky delivery driver who can drop off a package anywhere, even if it’s meant for someone else—if the address is just right, they can walk right in. 🎭 The vulnerability resides in atmfd.dll, a component within the Windows font library. When a user visits a malicious website, it can trigger the execution of harmful code due to improper handling of OpenType fonts.

What to do

An attacker could exploit this vulnerability to execute arbitrary code on your machine, meaning they could potentially steal data, install malware, or even take complete control of your system. That's absolutely devastating, especially since it affects multiple versions of Windows that people still rely on! ⚠️ To protect yourself, ensure that your Windows systems are updated to the latest version and apply any available patches immediately. Regularly audit your installed fonts and be cautious while browsing the web to avoid suspicious sites. 🛡️ You've got this! Stay proactive and follow these steps to keep your systems safe! 💪✨

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.64591 · 99.2th percentile
Published
2016-11-10T06:16Z
KEV added
2022-05-25 · due 2022-06-15
EPSS history
Timeline
  • 25 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 15
    kev
  • 10 NOV 06:16Z
    atmfd.dll in the Windows font library in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold…
    cvelistv5