CVE-2021-34455 : What You Need to Know

Windows File History Service Elevation of Privilege Vulnerability was published by Microsoft on July 13, 2021. It affects various versions of Windows 10, Windows Server, and other related systems. The CVSS score for this vulnerability is 7.8 (High).

Understanding CVE-2021-34455

This CVE identifies an Elevation of Privilege vulnerability in the Windows File History Service.

What is CVE-2021-34455?

CVE-2021-34455 is an Elevation of Privilege vulnerability that, if exploited, could allow an attacker to elevate their privileges on the affected system.

The Impact of CVE-2021-34455

This vulnerability has a base severity of High (7.8) according to the CVSS v3.1 scoring. If successfully exploited, an attacker could gain elevated privileges on the system.

Technical Details of CVE-2021-34455

The following are the technical details related to this CVE:

Vulnerability Description

The vulnerability lies in the Windows File History Service, allowing attackers to escalate their privileges on the affected system.

Affected Systems and Versions

Various versions of Windows Operating Systems, including Windows 10, Windows Server, and more, are impacted by this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability to raise their privileges on the system, which could lead to unauthorized actions.

Mitigation and Prevention

To safeguard your systems from CVE-2021-34455, consider the following measures:

Immediate Steps to Take

Promptly apply security patches and updates provided by Microsoft to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Implement robust security measures, conduct regular security assessments, and stay informed about security advisories to prevent potential threats.

Patching and Updates

Regularly update your Windows Operating Systems with the latest security patches released by Microsoft to address this vulnerability effectively.