CVE-2025-59275CWE-122CWE-125CWE-1287

Windows Authentication Elevation of Privilege Vulnerability

High · published October 14, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
18.7
In the wild
Unconfirmed
What it is

⚡ An authorized attacker can elevate their privileges locally due to improper input validation in Windows Authentication Methods! Think of it like a restaurant where a patron could change their reservation to a VIP table just by whispering the right words to the host—if the host isn't paying attention, they might just take them at their word! This vulnerability could allow an attacker to gain access to sensitive areas of the system, potentially compromising confidential data or even taking control of critical system functions. The consequences are serious—it's like handing over the keys to the castle without checking who’s at the gate!

Put simply

Think of it like a restaurant where a patron could change their reservation to a VIP table just by whispering the right words to the host—if the host isn't paying attention, they might just take them at their word! CVE-2025-59275 arises from improper validation of specific types of input during Windows Authentication. This weakness enables attackers with existing access to escalate their privileges, potentially leading to unauthorized actions within the system.

What to do

This vulnerability could allow an attacker to gain access to sensitive areas of the system, potentially compromising confidential data or even taking control of critical system functions. The consequences are serious—it's like handing over the keys to the castle without checking who’s at the gate! To mitigate this risk, ensure that all Windows systems are updated with the latest patches. Audit authentication methods for proper input handling and strengthen access controls to limit potential damage. Regularly review system logs for unusual activity. 🔒 You've got this! By taking these steps, you can fortify your defenses and keep your systems secure. 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00273 · 18.7th percentile
Weaknesses
CWE-122 · Heap-based Buffer Overflow; CWE-125 · Out-of-bounds Read; CWE-1287 · Improper Validation of Specified Type of Input
Published
2025-10-14T17:01Z
EPSS history
Timeline
  • 14 OCT 17:01Z
    Windows Authentication Elevation of Privilege Vulnerability
    cvelistv5