CVE-2020-0842 : Vulnerability Insights and Analysis
Learn about CVE-2020-0842 affecting Windows 7, 8.1, 10, and Server versions. Discover the impact, affected systems, exploitation details, and mitigation steps.
Windows Installer Elevation of Privilege Vulnerability in Microsoft Windows
Understanding CVE-2020-0842
What is CVE-2020-0842?
An elevation of privilege vulnerability exists in Windows Installer due to handling of certain filesystem operations, requiring unprivileged execution on the victim system.
The Impact of CVE-2020-0842
This vulnerability could allow an attacker to gain elevated privileges on the affected system.
Technical Details of CVE-2020-0842
Vulnerability Description
The vulnerability arises in Windows Installer's filesystem operation handling, potentially leading to privilege escalation.
Affected Systems and Versions
- Windows 7, 8.1, 10 versions 1607, 1709, 1803, 1809 including Server variants like 2008, 2012, 2016, and 2019.
- Specific versions and architectures detailed in the CVE entry.
Exploitation Mechanism
To exploit, an attacker needs unprivileged execution on the target system, distinct from other related CVEs.
Mitigation and Prevention
Immediate Steps to Take
- Implement the provided patch or workaround from the vendor.
- Monitor for any unusual system behavior post mitigation.
Long-Term Security Practices
- Regularly update systems with the latest security patches.
- Employ the principle of least privilege to limit user access.
Patching and Updates
Apply official security updates and patches provided by Microsoft promptly to safeguard against this vulnerability.