CVE-2017-0199KEV · OVERDUE

Microsoft Office and WordPad Remote Code Execution Vulnerability

High · published April 12, 2017

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

1633
days past CISA
deadline
CVSS v3.1
7.8
EPSS
99%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 A specially crafted document can unleash a storm, allowing remote attackers to execute any code they desire! ⚡ Think of it like a Trojan horse delivered right to your office: it looks harmless from the outside, but once opened, it unleashes chaos inside your digital kingdom! If an attacker pulls this off, they can take complete control of your system — accessing sensitive data, installing malware, or even locking you out of your own computer. It's absolutely devastating and puts your entire organization at risk.

Put simply

Think of it like a Trojan horse delivered right to your office: it looks harmless from the outside, but once opened, it unleashes chaos inside your digital kingdom! This vulnerability in Microsoft Office and WordPad allows attackers to execute arbitrary code by exploiting a crafted document, leveraging the Windows API to bypass security measures.

What to do

If an attacker pulls this off, they can take complete control of your system — accessing sensitive data, installing malware, or even locking you out of your own computer. It's absolutely devastating and puts your entire organization at risk. Immediately apply the latest security patches from Microsoft for affected versions. Consider disabling macros by default and training users to be cautious with unexpected documents. Regularly audit your systems to identify and mitigate potential risks. You've got this! Follow these steps, and you'll be well on your way to securing your systems! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.99497 · 99.9th percentile
Published
2017-04-12T14:00Z
KEV added
2021-11-03 · due 2022-05-03
EPSS history
Timeline
  • 03 NOV 00:00Z
    Added to CISA KEV — remediate by May 3
    kev
  • 12 APR 14:00Z
    Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2…
    cvelistv5