CVE-2017-0213KEV · OVERDUE

Microsoft Windows Privilege Escalation Vulnerability

High · published May 12, 2017

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.3. It is confirmed in active exploitation. It sits in the 99.7th percentile for exploit probability.

1649
days past CISA
deadline
CVSS v3.1
7.3
EPSS
84%
Percentile
99.7
In the wild
Confirmed
What it is

🚨 An ill-intentioned application can take control! This Windows COM Elevation of Privilege vulnerability lets attackers run wild with elevated privileges — like letting a houseguest re-decorate your entire home without permission! 🔥 Think of your computer as a hotel. Normally, guests only have access to their own rooms, but a crafty guest (the attacker) finds a way to get into the staff area and start changing things — that’s what this vulnerability allows! If exploited, an attacker could gain elevated privileges, potentially allowing them to install programs, view sensitive data, or make destructive changes — all without your consent. In a worst-case scenario, this could lead to a full system compromise, risking data integrity and confidentiality. Yikes!

Put simply

Think of your computer as a hotel. Normally, guests only have access to their own rooms, but a crafty guest (the attacker) finds a way to get into the staff area and start changing things — that’s what this vulnerability allows! This vulnerability exists due to improper handling of COM objects, allowing an attacker to execute a specially crafted application that could elevate their privileges on affected systems, including various Windows versions.

What to do

If exploited, an attacker could gain elevated privileges, potentially allowing them to install programs, view sensitive data, or make destructive changes — all without your consent. In a worst-case scenario, this could lead to a full system compromise, risking data integrity and confidentiality. Yikes! To mitigate this risk, users should patch vulnerable systems immediately to the latest security updates provided by Microsoft. Additionally, organizations should conduct audits of applications to ensure they aren’t running any untrusted software. Regularly using a robust security suite is also recommended to enforce protective measures. You've got this! With a few updates and a little vigilance, you can keep your systems safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.84258 · 99.7th percentile
Published
2017-05-12T14:00Z
KEV added
2022-03-28 · due 2022-04-18
EPSS history
Timeline
  • 28 MAR 00:00Z
    Added to CISA KEV — remediate by Apr 18
    kev
  • 12 MAY 14:00Z
    Windows COM Aggregate Marshaler in Microsoft Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1…
    cvelistv5