CVE-2018-0824KEV · OVERDUE

Microsoft COM for Windows Deserialization of Untrusted Data Vulnerability

High · published May 9, 2018

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 99.5th percentile for exploit probability.

787
days past CISA
deadline
CVSS v3.1
7.5
EPSS
73%
Percentile
99.5
In the wild
Confirmed
What it is

🚨 A tiny hiccup in Microsoft COM for Windows could let attackers execute code remotely—no Jedi mind tricks needed! 🔥 Think of it like a restaurant where the chef trusts any order slip that comes through without verifying it—one wrong request, and they could be cooking up trouble that affects everyone in the dining room! An attacker could send a specially crafted request that allows them to run arbitrary code on your system, leading to potential data loss, unauthorized access, or even complete system takeover. That's like giving away the keys to your house without a second thought!

Put simply

Think of it like a restaurant where the chef trusts any order slip that comes through without verifying it—one wrong request, and they could be cooking up trouble that affects everyone in the dining room! This vulnerability arises when Microsoft COM for Windows mishandles serialized objects, allowing for remote code execution without proper validation of the input data.

What to do

An attacker could send a specially crafted request that allows them to run arbitrary code on your system, leading to potential data loss, unauthorized access, or even complete system takeover. That's like giving away the keys to your house without a second thought! Patch your systems immediately to ensure you're running the latest updates from Microsoft. Additionally, review your security configurations and consider implementing additional access controls to minimize risk. Don't wait—act quickly! You've got this! Just follow these steps, and you’ll be back in the security zone in no time! 🛡️

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
0.73037 · 99.5th percentile
Published
2018-05-09T19:00Z
KEV added
2024-08-05 · due 2024-08-26
EPSS history
Timeline
  • 05 AUG 00:00Z
    Added to CISA KEV — remediate by Aug 26
    kev
  • 09 MAY 19:00Z
    A remote code execution vulnerability exists in "Microsoft COM for Windows" when it fails to properly handle serialized objects, aka "Microsoft COM for Windows…
    cvelistv5