Cloud Vulnerability DB
A community-led vulnerabilities database
Vulnerability DatabaseCVE-2023-21767
CVE-2023-21767:
vulnerability analysis and mitigation
Overview
Windows Overlay Filter Elevation of Privilege Vulnerability (CVE-2023-21767) was identified and disclosed in December 2022. The vulnerability affects multiple versions of Microsoft Windows operating systems, including Windows 10, Windows 11, Windows 8.1, Windows RT 8.1, and Windows Server versions 2012, 2016, 2019, and 2022 (NVD).
Technical details
The vulnerability has been assigned a CVSS v3.1 base score of 7.8 (HIGH), with the following vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Microsoft has classified this as an improper input validation vulnerability (CWE-20) (NVD).
Impact
This elevation of privilege vulnerability in the Windows Overlay Filter could allow an attacker to gain higher privileges on the affected system. The high CVSS score indicates potential severe impacts on confidentiality, integrity, and availability of the system (NVD).
Mitigation and workarounds
Microsoft has released security updates to address this vulnerability. Users are advised to apply the latest security patches through the Microsoft Update mechanism (MSRC).
Additional resources
Source: This report was generated using AI
Free Vulnerability Assessment
Benchmark your Cloud Security Posture
Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.
Additional Wiz resources
Get a personalized demo
Ready to see Wiz in action?
"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management