CVE-2022-21919VulnerabilityPublished 04/25/2022Updated 10/24/2026

CVE-2022-21919: Microsoft Windows User Profile Service Privilege Escalation Vulnerability

Affects Microsoft WindowsSource CISA KEV

Severity

High

No CVSS score published yet

Exploitation: Actively exploited – in CISA KEV since 04/25/2022
KEV deadline: 05/16/2022
EPSS: 2.4% chance of exploitation in 30 days – higher than 84% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2022-21919 (opens in a new tab)

Description

CVE-2022-21919 is a high-severity privilege escalation vulnerability in the Microsoft Windows User Profile Service. It allows an attacker to elevate privileges on affected Windows systems. The vulnerability has been exploited in the wild. No specific affected versions or patch information is provided in the available data.

Summary

Microsoft Windows User Profile Service contains an unspecified vulnerability (CVE-2022-21919) that enables privilege escalation. This vulnerability has been observed to be exploited in the wild, indicating active threat usage. The exact technical details and affected Windows versions are not specified in the provided information.

Impact

Successful exploitation of this vulnerability allows an attacker to escalate privileges on a Windows system, potentially gaining higher-level access than intended. This can lead to unauthorized actions and compromise of system integrity. The vulnerability is confirmed to be exploited in the wild, increasing its risk.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, organizations should monitor Microsoft advisories for updates and apply any released patches promptly.

Weaknesses

CWE-1386Unclassified weakness (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 11:27:23 UTC

Weaknesses

References

Related threats