CVE-2021-26874: Windows Overlay Filter Elevation of Privilege Vulnerability
Windows Overlay Filter Elevation of Privilege Vulnerability
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19043.867Patch KB5000802 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.18363.1440Patch KB5000808 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.1817Patch KB5000822
Event History
Frequently Asked Questions
What is the severity of CVE-2021-26874?
CVE-2021-26874 has a severity rating of 'Important' as it allows elevation of privilege vulnerabilities.
How do I fix CVE-2021-26874?
To fix CVE-2021-26874, ensure that you apply the latest security updates provided by Microsoft for affected Windows versions.
What systems are affected by CVE-2021-26874?
CVE-2021-26874 affects Windows 10 versions 1809, 1909, 2004, 20H2 and Windows Server 2016, 2019.
What risks are posed by CVE-2021-26874?
CVE-2021-26874 can potentially allow an attacker to execute arbitrary code with elevated privileges on the affected systems.
Are there any workarounds for CVE-2021-26874?
Currently, it is recommended to apply the security updates as the primary approach to mitigate CVE-2021-26874.