CVE-2025-21298CWE-416

Windows OLE Remote Code Execution Vulnerability

Critical · published January 14, 2025

Patch now

High probability of exploitation

CVSS calls it critical at 9.8. It sits in the 99.5th percentile for exploit probability.

CVSS v3.1
9.8
EPSS
74%
Percentile
99.5
In the wild
Unconfirmed
What it is

🚨 A critical Windows OLE vulnerability could let attackers execute any code they want, like inviting themselves to your party unannounced! 🔥 Think of this vulnerability as a backdoor in a high-security hotel. An attacker with the right tricks can bypass all security checks and access any room, potentially causing chaos behind closed doors. 🏨 If exploited, this could lead to complete system compromise, allowing attackers to read, modify, or delete files, and even install malware. It's an absolute nightmare scenario, where your trusted system becomes a playground for malicious actors!

Put simply

Think of this vulnerability as a backdoor in a high-security hotel. An attacker with the right tricks can bypass all security checks and access any room, potentially causing chaos behind closed doors. 🏨 This vulnerability allows remote code execution via a flaw in the Object Linking and Embedding (OLE) technology in Windows, giving attackers the ability to run arbitrary code with the privileges of the user. If successfully leveraged, it could mean total control over the affected system.

What to do

If exploited, this could lead to complete system compromise, allowing attackers to read, modify, or delete files, and even install malware. It's an absolute nightmare scenario, where your trusted system becomes a playground for malicious actors! Immediately apply the latest security updates released by Microsoft for Windows systems. Ensure that all users are using the most secure configurations and consider disabling OLE features if they are not required in your environment. Regularly audit your systems for unusual activity. You've got this! By taking these steps, you'll be well on your way to securing your systems and keeping the bad guys out! 🛡️

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
0.74369 · 99.5th percentile
Weakness
CWE-416 · Use After Free
Published
2025-01-14T18:03Z
EPSS history
Timeline
  • 14 JAN 18:03Z
    Windows OLE Remote Code Execution Vulnerability
    cvelistv5