CVE-2024-38112KEV · OVERDUECWE-451

Windows MSHTML Platform Spoofing Vulnerability

High · published July 9, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.5. It is confirmed in active exploitation. It sits in the 99.7th percentile for exploit probability.

816
days past CISA
deadline
CVSS v3.1
7.5
EPSS
84%
Percentile
99.7
In the wild
Confirmed
What it is

🚨 A sneaky spoofing vulnerability in the Windows MSHTML platform is making waves! 🤔 With attackers already taking advantage, this is a call to action! Think of the MSHTML platform like a busy restaurant that serves up data on a silver platter. If a waiter (the system) isn't careful, a customer (an attacker) could order a dish that looks delicious but is actually a dangerous concoction, leading to a bad experience for everyone. 🍽️ An attacker could exploit this vulnerability to deceive users into believing they are interacting with legitimate content, potentially leading to data theft or malware installations. Imagine opening a seemingly harmless document, only to find yourself handing over sensitive information without even realizing it!

Put simply

Think of the MSHTML platform like a busy restaurant that serves up data on a silver platter. If a waiter (the system) isn't careful, a customer (an attacker) could order a dish that looks delicious but is actually a dangerous concoction, leading to a bad experience for everyone. 🍽️ This Windows MSHTML platform spoofing vulnerability allows attackers to craft malicious content that misleads users about the source and authenticity of the data they are viewing, bypassing security checks.

What to do

An attacker could exploit this vulnerability to deceive users into believing they are interacting with legitimate content, potentially leading to data theft or malware installations. Imagine opening a seemingly harmless document, only to find yourself handing over sensitive information without even realizing it! Update your Windows system to the latest security patch immediately to mitigate this vulnerability. Additionally, educate users about the risks of opening unknown documents and encourage them to verify sources before engaging with content. You’ve got this! Implement these steps and keep your systems fortified against these crafty attacks! 🛡️

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.84225 · 99.7th percentile
Weakness
CWE-451 · User Interface (UI) Misrepresentation of Critical Information
Published
2024-07-09T17:02Z
KEV added
2024-07-09 · due 2024-07-30
EPSS history
Timeline
  • 09 JUL 17:02Z
    Windows MSHTML Platform Spoofing Vulnerability
    cvelistv5
  • 09 JUL 00:00Z
    Added to CISA KEV — remediate by Jul 30
    kev