CVE-2026-21219CWE-416

Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability

High · published January 13, 2026

CVSS v3.1
7.0
EPSS
0%
Percentile
31.2
In the wild
Unconfirmed
What it is

⚡ A crafty use-after-free flaw in Inbox COM Objects could let unauthorized attackers run malicious code from your machine! 🔥 Think of this like a restaurant that serves your favorite dish but forgets to clear the table after the previous diner left. If someone slips in before the staff cleans up, they can take a bite of your meal without anyone noticing! This means an attacker could sneak in and execute any commands they want, potentially leading to data theft or system compromise. The consequences could be absolutely devastating, giving them the keys to your digital kingdom!

Put simply

Think of this like a restaurant that serves your favorite dish but forgets to clear the table after the previous diner left. If someone slips in before the staff cleans up, they can take a bite of your meal without anyone noticing! This vulnerability occurs when the Inbox COM Objects do not properly manage memory allocation, allowing attackers to manipulate application behavior and execute unauthorized code.

What to do

This means an attacker could sneak in and execute any commands they want, potentially leading to data theft or system compromise. The consequences could be absolutely devastating, giving them the keys to your digital kingdom! To secure your systems, update the affected software immediately, ensuring you’re on the latest version that includes fixes for this flaw. Regularly audit your COM objects and their permissions to tighten security. 🛡️ You’ve got this! Stay proactive and you’ll keep your environment safe and sound! 🚀

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00383 · 31.2th percentile
Weakness
CWE-416 · Use After Free
Published
2026-01-13T17:56Z
EPSS history
Timeline
  • 13 JAN 17:56Z
    Inbox COM Objects (Global Memory) Remote Code Execution Vulnerability
    cvelistv5