CVE-2022-21919KEV · OVERDUE

Windows User Profile Service Elevation of Privilege Vulnerability

High · published January 11, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.0. It is confirmed in active exploitation. It sits in the 84.1th percentile for exploit probability.

1622
days past CISA
deadline
CVSS v3.1
7.0
EPSS
2%
Percentile
84.1
In the wild
Confirmed
What it is

⚡ A misconfigured user profile service is the stealthy backdoor into your system! An attacker can elevate their privileges and wreak havoc! 🔥 Think of this vulnerability like a hotel with no check-in procedures — anyone can march right in and snag the best suite without anyone asking for a reservation. This flaw lets attackers bypass controls and claim administrative access as if they had a VIP pass! The consequences are serious! An attacker could gain elevated privileges, allowing them to install malicious software, steal sensitive data, or even take full control of the system. Imagine a burglar not only getting inside your house but also finding the keys to your safe!

Put simply

Think of this vulnerability like a hotel with no check-in procedures — anyone can march right in and snag the best suite without anyone asking for a reservation. This flaw lets attackers bypass controls and claim administrative access as if they had a VIP pass! This elevation of privilege vulnerability in the Windows User Profile Service can be exploited by attackers to gain higher access levels than intended, simply by manipulating user profiles on the system.

What to do

The consequences are serious! An attacker could gain elevated privileges, allowing them to install malicious software, steal sensitive data, or even take full control of the system. Imagine a burglar not only getting inside your house but also finding the keys to your safe! Patch your systems immediately to the latest version to address this vulnerability. Implement strict access controls and regularly audit user profiles to ensure no unauthorized changes have been made. Stay vigilant! You've got this! Follow these steps, and you'll have your defenses up in no time! 🛡️

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/E:P/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.02434 · 84.1th percentile
Published
2022-01-11T20:23Z
KEV added
2022-04-25 · due 2022-05-16
EPSS history
Timeline
  • 25 APR 00:00Z
    Added to CISA KEV — remediate by May 16
    kev
  • 11 JAN 20:23Z
    Windows User Profile Service Elevation of Privilege Vulnerability
    cvelistv5