CVE-2022-26904VulnerabilityPublished 04/25/2022Updated 10/24/2026

CVE-2022-26904: 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: 16.9% chance of exploitation in 30 days – higher than 97% of CVEs

What to do

CISA required action

Apply updates per vendor instructions.

nvd.nist.gov/vuln/detail/CVE-2022-26904 (opens in a new tab)

Description

CVE-2022-26904 is a high-severity privilege escalation vulnerability in the Microsoft Windows User Profile Service. It allows an attacker to escalate privileges on affected Windows systems. The vulnerability has been exploited in the wild. Specific affected versions and detailed technical information are not provided in the available data.

Summary

Microsoft Windows User Profile Service contains an unspecified vulnerability identified as CVE-2022-26904 that enables privilege escalation. The vulnerability has been actively exploited in the wild, indicating real-world impact. No detailed technical description or affected version information is provided. The vulnerability is tagged with CWE-362, which relates to race conditions, suggesting a potential concurrency issue in the User Profile Service.

Impact

Successful exploitation of this vulnerability allows an attacker to escalate privileges on a Windows system, potentially gaining elevated access rights. This can lead to unauthorized actions and compromise of system integrity. The vulnerability has been observed being exploited in the wild, confirming its practical impact.

Mitigation

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or remediation details are provided in the available data. Organizations should monitor Microsoft security advisories for updates and apply any released patches promptly.

Weaknesses

CWE-362Race Condition (opens in a new tab)

What to do

Description

AnalysisAI-generated, updated 10/24/2026, 11:27:25 UTC

Weaknesses

References

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