CVE-2021-43245 : What You Need to Know

Windows Digital TV Tuner Elevation of Privilege Vulnerability was published on December 15, 2021, with a CVSS base score of 7.8.

Understanding CVE-2021-43245

What is CVE-2021-43245?

This vulnerability, categorized as an Elevation of Privilege, affects various Microsoft Windows versions, allowing attackers to gain elevated privileges on the targeted system.

The Impact of CVE-2021-43245

The impact of this vulnerability is rated as HIGH with a CVSS base severity of 7.8, potentially leading to unauthorized access and control over affected systems.

Technical Details of CVE-2021-43245

Vulnerability Description

The Windows Digital TV Tuner Elevation of Privilege Vulnerability enables threat actors to escalate their user privileges on Windows systems, leading to severe security risks.

Affected Systems and Versions

Windows 7: 6.1.0 (32-bit & 64-bit)
Windows 8.1: 6.3.0 (32-bit, 64-bit, ARM64)
Windows Server 2008 R2, 2012, 2012 R2: Various versions

Exploitation Mechanism

Threat actors can exploit this vulnerability by executing specially crafted applications, potentially gaining elevated privileges on the targeted systems.

Mitigation and Prevention

Immediate Steps to Take

Apply security updates provided by Microsoft promptly
Monitor for any suspicious activities on the network

Long-Term Security Practices

Implement the principle of least privilege for user accounts
Regularly conduct security assessments and audits to identify vulnerabilities

Patching and Updates

Installing the latest security patches released by Microsoft is crucial to mitigate the risk posed by CVE-2021-43245.