CVE-2026-108409

MediumCVSS 5.5/10Last modified Nov 10, 2026

Description

Exposure of sensitive system information to an unauthorized control sphere in Windows Overlay Filter allows an authorized attacker to disclose information locally.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-497

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

VendorProductVersions
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9688
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9487
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7846
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7846
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7711
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7711
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9974
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9974
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.3501
MicrosoftWindows 11 Version 26H2>= 10.0.26300.0, < 10.0.26300.9974
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9688
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9688
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9487
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9487
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5870
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33822
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33822

References

Timeline

Published
Nov 10, 2026
Last modified
Nov 10, 2026
NVD status
Undergoing Analysis

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CVE-2026-108409: Medium severity, CVSS 5.5 | Vulnix