Learn about CVE-2022-26837, a high-severity privilege escalation vulnerability in Intel(R) Processors BIOS firmware. Find out the impact, affected systems, and mitigation steps.
A privilege escalation vulnerability has been identified in the BIOS firmware of certain Intel(R) Processors, potentially allowing a privileged user to escalate their privileges locally.
Understanding CVE-2022-26837
This section delves into the details of the CVE-2022-26837 vulnerability.
What is CVE-2022-26837?
The CVE-2022-26837 vulnerability involves improper input validation in the BIOS firmware for specific Intel(R) Processors, enabling a privileged user to potentially escalate their privileges via local access.
The Impact of CVE-2022-26837
The impact of CVE-2022-26837 is rated as HIGH, with a CVSS base score of 7.5. It can lead to an escalation of privilege for attackers with local access, posing risks to confidentiality, integrity, and availability of affected systems.
Technical Details of CVE-2022-26837
This section outlines the technical aspects of CVE-2022-26837.
Vulnerability Description
The vulnerability arises due to improper input validation in the BIOS firmware of Intel(R) Processors, which could be exploited by a privileged user to elevate their privileges.
Affected Systems and Versions
The vulnerability impacts certain Intel(R) Processors. The affected versions are detailed in the provided references.
Exploitation Mechanism
An attacker with local access could exploit this vulnerability to escalate their privileges on the affected systems.
Mitigation and Prevention
Mitigation strategies to address CVE-2022-26837 are crucial to ensure system security.
Immediate Steps to Take
Users are advised to refer to the vendor's security advisory and follow the recommended actions to mitigate the vulnerability immediately.
Long-Term Security Practices
Implementing robust security practices, such as regular security updates and monitoring, can enhance the overall security posture of systems.
Patching and Updates
Regularly applying security patches and updates from the vendor is essential to safeguard systems from known vulnerabilities.