CVE-2023-28250CWE-191

Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability

Critical · published April 11, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
80.8
In the wild
Unconfirmed
What it is

🚨 An unpatched vulnerability in Windows PGM can allow attackers to execute remote code, much like giving a stranger access to your computer with a single click! 🔥 Think of it like a delivery service that unwittingly sends packages anywhere without checking the contents. If someone slipped in a dangerous item, it would be chaos at your doorstep! With this vulnerability, an attacker could gain complete access to your system, potentially leading to unauthorized data manipulation, installation of malicious software, or even total system takeover. The ramifications could be absolutely devastating, making your entire network a playground for cybercriminals!

Put simply

Think of it like a delivery service that unwittingly sends packages anywhere without checking the contents. If someone slipped in a dangerous item, it would be chaos at your doorstep! The Windows Pragmatic General Multicast (PGM) is vulnerable to remote code execution due to improper input validation. An attacker could exploit this flaw by sending specially crafted multicast packets that the system accepts without sufficient checks.

What to do

With this vulnerability, an attacker could gain complete access to your system, potentially leading to unauthorized data manipulation, installation of malicious software, or even total system takeover. The ramifications could be absolutely devastating, making your entire network a playground for cybercriminals! To mitigate this risk, promptly apply the latest security patches released by Microsoft. Additionally, consider disabling PGM on systems where it is not required and monitor your network for any suspicious multicast traffic. This is fixable! Stay ahead of the game by following these steps and you'll be a security hero in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.02026 · 80.8th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2023-04-11T19:13Z
EPSS history
Timeline
  • 11 APR 19:13Z
    Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability
    cvelistv5