Impact
This flaw is an out‑of‑bounds read in the Windows Overlay Filter, enabling a local attacker with sufficient privileges to read arbitrary memory, thereby disclosing sensitive information. The vulnerability is classified as CWE‑125, and the impact is limited to confidentiality of data that the local user can access.
Affected Systems
Microsoft Windows 10 versions 1607, 1809, 21H2, 22H2; Windows 11 versions 23H2, 24H2, 25H2, 26H2, 26H1; Windows Server 2012, 2012 R2, 2016, 2019, 2022, 2025 and their Server Core editions.
Risk and Exploitability
The CVSS score of 5.5 indicates a moderate risk. The EPSS score is not available, so the exact likelihood of exploitation is unknown. The vulnerability is not listed in CISA KEV. Based on the description, the likely attack vector is local, requiring an authorized user to invoke the overlay filter or otherwise trigger the boundary check; remote or privilege‑escalating exploitation is not indicated.
OpenCVE Enrichment