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CVE-2022-26904: High Vulnerability in Microsoft Windows User Profile Service

A high-severity privilege escalation vulnerability in Microsoft Windows User Profile Service could allow attackers to gain unauthorized access. Organizations are urged to patch immediately to mitigate risks associated with this vulnerability.

HIGHKnown ExploitedCVSS 7 · Published April 15, 2022

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CVE-2022-26904 is a high-severity vulnerability affecting Microsoft Windows User Profile Service. This vulnerability allows for privilege escalation, enabling an attacker to execute arbitrary code with elevated privileges. With a CVSS score of 7.0, the threat posed by this vulnerability is significant, highlighting the urgency for affected organizations to address it promptly.

The vulnerability was published on April 15, 2022, and affects various versions of Microsoft Windows, including Windows 7, 8.1, 10, and several server versions. The attack vector is local, requiring an attacker to have physical or remote access to the vulnerable system. The complexity of the attack is high, and attackers require low privileges to exploit this vulnerability.

Risk to organizations includes potential unauthorized access to sensitive data and systems, making the timely application of patches critical. Organizations should prioritize patching immediately to mitigate risks associated with this vulnerability.

As of now, the vulnerability is included in the Known Exploited Vulnerabilities (KEV) catalog, indicating it is actively being exploited in the wild. Organizations should remain vigilant in monitoring their systems for any signs of exploitation and apply the necessary patches.

Vulnerability Details

CVE-2022-26904 is characterized as a Windows User Profile Service Elevation of Privilege Vulnerability. The CVSS score of 7.0 signifies a high level of risk, primarily due to the potential for attackers to escalate their privileges within the system.

The affected products include various versions of Microsoft Windows, ranging from Windows 7 to Windows 11, as well as multiple Windows Server editions. The vulnerability is classified under CWE-362, indicating it relates to a race condition that can lead to unexpected behaviors in the system.

Technical Analysis

The root cause of CVE-2022-26904 lies in the improper handling of user profile services, which can be exploited by an attacker with low privileges. The attack vector is local, requiring the attacker to have access to the system, but the complexity of the attack is high, indicating that significant effort may be required to successfully exploit the vulnerability.

This vulnerability can impact confidentiality, integrity, and availability, as successful exploitation could allow an unauthorized user to access sensitive information and modify system settings, leading to further compromise of the system.

Risk & Impact Analysis

The real-world deployment of this vulnerability poses a significant risk to organizations, particularly those using affected versions of Microsoft Windows. The potential for an attacker to gain elevated privileges leads to a high blast radius, making this vulnerability critical to address.

Organizations should assess their patch management strategies and ensure that they prioritize this vulnerability in their remediation efforts. The urgency is underscored by the active exploitation noted in the KEV catalog, emphasizing the need for immediate action.

Signal

Status

Known Exploit

Yes

Public PoC

Yes

Actively Exploited

Yes

Ransomware Use

No

Affected Versions

The vulnerability affects multiple versions of Microsoft Windows, including:

Windows 7, Windows 8.1, Windows 10 (all versions prior to specified patches), Windows 11, and various Windows Server editions such as 2008, 2012, 2016, 2019, and 2022.

Mitigation & Remediation

Organizations should apply the latest patches and updates provided by Microsoft immediately. The required action is to apply updates per vendor instructions to mitigate the risk associated with this vulnerability.

For detailed guidance on patching, organizations can refer to Microsoft's Security Update Guide.

Penetration testing services may also be beneficial for organizations to assess their security posture post-mitigation.

Detection Guidance

Organizations should monitor logs for unusual activity related to user profile services. Behavioral anomalies and unauthorized configuration changes should be flagged for review.

Network signatures may also be helpful in detecting exploitation attempts of this vulnerability.

AppSecure Threat Intelligence Insight

CVE-2022-26904 showcases the ongoing risks associated with privilege escalation vulnerabilities in widely used operating systems like Windows.

As organizations increasingly rely on these systems, understanding and mitigating such vulnerabilities becomes paramount.

To prevent similar vulnerabilities in the future, organizations should implement best practices in security testing, such as regular penetration testing methodologies and continuous monitoring.

Organizations can also benefit from understanding security trends and patterns, which can be informed by resources like the AppSecure blog on vulnerability management programs and strategic security initiatives.

Finally, the importance of proactive measures, such as engaging in red teaming services, cannot be overstated in building a resilient security posture.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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