CVE-2025-55684CWE-416

CVE-2025-55684

High · published October 14, 2025

CVSS v3.1
7.0
EPSS
0%
Percentile
23.3
In the wild
Unconfirmed
What it is

⚡ An authorized attacker could exploit a use-after-free vulnerability in Windows PrintWorkflowUserSvc to gain escalated privileges — and they don't need a cape to do it! 🦸‍♂️ Think of it like a restaurant where a waiter can sneak back into the kitchen after leaving an unguarded door open. If they know how to slip through undetected, they might end up serving themselves the chef's special — which is bad news for everyone else! If exploited, an attacker could gain unauthorized access to sensitive areas of the system, potentially modifying settings, accessing protected files, or even creating new accounts. This breach could lead to catastrophic data loss or system compromise, making it absolutely crucial to address! 🔥

Put simply

Think of it like a restaurant where a waiter can sneak back into the kitchen after leaving an unguarded door open. If they know how to slip through undetected, they might end up serving themselves the chef's special — which is bad news for everyone else! This vulnerability stems from improper management of memory, allowing an attacker who is already authenticated to manipulate memory access in the PrintWorkflowUserSvc service. This can lead to privilege escalation, giving attackers more power than intended within the system.

What to do

If exploited, an attacker could gain unauthorized access to sensitive areas of the system, potentially modifying settings, accessing protected files, or even creating new accounts. This breach could lead to catastrophic data loss or system compromise, making it absolutely crucial to address! 🔥 To protect your system, apply the latest security update from Microsoft that addresses CVE-2025-55684 immediately. Regularly audit access logs and ensure least privilege principles are enforced in user roles. This is a must-do to keep your system locked down! 🛡️ You’ve got this! By taking these steps, you can fortify your defenses and maintain control over your environment. Keep up the great work! 🚀

The record
Technical detail
CVSS v3.1
7.0 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00316 · 23.3th percentile
Weakness
CWE-416 · Use After Free
Published
2025-10-14T21:15Z
Affected products (3)
ProductVersionsFixed in
microsoft/windows_11_24h2< 10.0.26100.689910.0.26100.6899
microsoft/windows_11_25h2< 10.0.26200.689910.0.26200.6899
microsoft/windows_server_2025< 10.0.26100.689910.0.26100.6899
References (1)
EPSS history
Timeline
  • 14 OCT 17:01Z
    Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability
    cvelistv5