CVE-2024-21326CWE-416

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Critical · published January 26, 2024

CVSS v3.1
9.6
EPSS
1%
Percentile
68.8
In the wild
Unconfirmed
What it is

🚨 An elevation of privilege vulnerability in Microsoft Edge could let an attacker run amok, gaining control over system resources without a hitch! 🔥 Think of it like a hotel where a guest finds a secret door to the staff area and can access restricted parts of the building, like the vault or the kitchen, without anyone questioning their presence. This vulnerability allows attackers to elevate their permissions and access sensitive parts of your system unexpectedly. If exploited, an attacker could execute arbitrary code with elevated privileges, potentially compromising your entire system. This means they could steal sensitive data, install malicious software, or even take complete control of your environment without any warning – absolutely devastating!

Put simply

Think of it like a hotel where a guest finds a secret door to the staff area and can access restricted parts of the building, like the vault or the kitchen, without anyone questioning their presence. This vulnerability allows attackers to elevate their permissions and access sensitive parts of your system unexpectedly. This vulnerability lies in how Microsoft Edge handles certain requests, allowing an attacker to escalate their privileges beyond the intended restrictions. When exploited, it can lead to unauthorized access and malicious activity within the user’s environment.

What to do

If exploited, an attacker could execute arbitrary code with elevated privileges, potentially compromising your entire system. This means they could steal sensitive data, install malicious software, or even take complete control of your environment without any warning – absolutely devastating! To protect yourself, update Microsoft Edge to the latest version immediately. Regularly check for updates to ensure you have the latest security patches installed. It’s also a good idea to review your user permissions and restrict access where necessary. You've got this! Stay vigilant and keep your systems updated to maintain your security hero status! 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.01234 · 68.8th percentile
Weakness
CWE-416 · Use After Free
Published
2024-01-26T00:29Z
EPSS history
Timeline
  • 26 JAN 00:29Z
    Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
    cvelistv5