CVE-2019-0752KEV · OVERDUECWE-843

Microsoft Internet Explorer Type Confusion Vulnerability

High · published April 10, 2019

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 99.6th percentile for exploit probability.

1529
days past CISA
deadline
CVSS v3.1
7.5
EPSS
82%
Percentile
99.6
In the wild
Confirmed
What it is

🚨 A crafty twist in Internet Explorer lets attackers execute code remotely, all due to a memory mishap! 🔥 Think of this like a restaurant that serves any dish without checking the recipe, leading to some seriously unappetizing results. In this case, the scripting engine is the chef who misses a crucial ingredient check, allowing attackers to whip up malicious code from thin air. An attacker exploiting this vulnerability could gain complete control over the affected system, allowing them to run arbitrary code, steal sensitive data, or even take over user accounts. It's a breach that could turn your computer into a puppet on a string, entirely at the mercy of the attacker.

Put simply

Think of this like a restaurant that serves any dish without checking the recipe, leading to some seriously unappetizing results. In this case, the scripting engine is the chef who misses a crucial ingredient check, allowing attackers to whip up malicious code from thin air. This vulnerability arises from how the scripting engine in Internet Explorer mishandles objects in memory, allowing attackers to run malicious code by manipulating memory states.

What to do

An attacker exploiting this vulnerability could gain complete control over the affected system, allowing them to run arbitrary code, steal sensitive data, or even take over user accounts. It's a breach that could turn your computer into a puppet on a string, entirely at the mercy of the attacker. Immediate actions include patching Internet Explorer to the latest version to close this vulnerability. Additionally, consider implementing security configurations and ensuring users are aware of the risks of using outdated browsers. You've got this! Stay proactive and secure your systems today! 🛡️

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
CVSS v4.0
Not supplied
EPSS
0.81679 · 99.6th percentile
Weakness
CWE-843 · Access of Resource Using Incompatible Type ('Type Confusion')
Published
2019-04-10T01:29Z
KEV added
2022-02-15 · due 2022-08-15
Affected products (2)
ProductVersionsFixed in
microsoft/internet_explorerall versions—
microsoft/internet_explorerall versions—
References (7)
EPSS history
Timeline
  • 15 FEB 00:00Z
    Added to CISA KEV — remediate by Aug 15
    kev
  • 09 APR 20:15Z
    A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory…
    cvelistv5