CVE-2025-62571CWE-20

Windows Installer Elevation of Privilege Vulnerability

High · published December 9, 2025

CVSS v3.1
7.8
EPSS
0%
Percentile
33.2
In the wild
Unconfirmed
What it is

⚡ An authorized attacker can dance their way to elevated privileges in Windows Installer with just a sneaky input! 🎉 Think of Windows Installer as a hotel check-in desk that fails to verify guest IDs — if a crafty individual slips through the cracks, they might just get access to the penthouse suite! This flaw allows a local attacker to elevate their privileges, meaning they could potentially install malicious software or access sensitive data with the authority of a trusted user. It's a recipe for disaster if left unchecked, leading to unauthorized access and significant security breaches!

Put simply

Think of Windows Installer as a hotel check-in desk that fails to verify guest IDs — if a crafty individual slips through the cracks, they might just get access to the penthouse suite! CVE-2025-62571 arises from improper input validation in Windows Installer, enabling an authorized user to elevate their privileges locally, bypassing security checks that should ordinarily safeguard against such manipulation.

What to do

This flaw allows a local attacker to elevate their privileges, meaning they could potentially install malicious software or access sensitive data with the authority of a trusted user. It's a recipe for disaster if left unchecked, leading to unauthorized access and significant security breaches! To mitigate this vulnerability, ensure you apply the latest security updates from Microsoft immediately, and conduct a review of your user access controls. Regular audits of installed software can also help spot any unauthorized changes! You've got this! Stay vigilant, patch up, and keep those systems locked down tight! 🛡️

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
0.00401 · 33.2th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2025-12-09T17:55Z
EPSS history
Timeline
  • 09 DEC 17:55Z
    Windows Installer Elevation of Privilege Vulnerability
    cvelistv5