Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 13 products
| Date | Total | Labels |
|---|
| 2026-06-09 | 1 | Patch1 |
| 2026-06-12 | 1 | General1 |
【3軸解説】「マイクロソフトのMicrosoft Windows 10 1607等の複数製品における複数の脆弱性（CVE-2026-40404）」を、背景 / 目的 / 効果 の 3 軸で読み解きます。 背景/目的/効果の3軸で読み解きました。 #セキュリティ #若手コンサル ▶ note メンバーシップ: https://note.com/yuusan_security/membership
Post summary
A brief Japanese note announces a conceptual analysis of Microsoft Windows 10 CVE‑2026‑40404 but provides no technical details, PoC, exploit code, or mitigation information.
⚠️ Windows UDFS EoP (CVE-2026-40404) = the legacy file-system “still mounted” problem. Translation: your drive isn’t safe just because your browser is updated. Patch it. https://windowsforum.com/threads/cve-2026-40404-udfs-eop-patch-the-windows-file-system-elevation-risk.424240/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #WindowsSecurity #PrivilegeEscalation #UdfsDriver #Cve202640404 https://t.co/6aYcQBnLJY
Post summary
The post warns about the UDFS privilege‑escalation flaw CVE‑2026‑40404 and urges users to apply a patch, but it provides no technical details or exploit information.
24 of 24 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| OS | microsoft | windows_10_1607 | - | - | x64 |
| OS | microsoft | windows_10_1607 | - | - | x86 |
| OS | microsoft | windows_10_1809 | - | - | x64 |
| OS | microsoft | windows_10_1809 | - | - | x86 |
| OS | microsoft | windows_10_21h2 | - | - | arm64 |
| OS | microsoft | windows_10_21h2 | - | - | x64 |
| OS | microsoft | windows_10_21h2 | - | - | x86 |
| OS | microsoft | windows_10_22h2 | - | - | arm64 |
| OS | microsoft | windows_10_22h2 | - | - | x64 |
| OS | microsoft | windows_10_22h2 | - | - | x86 |
| OS | microsoft | windows_11_23h2 | - | - | arm64 |
| OS | microsoft | windows_11_23h2 | - | - | x64 |
| OS | microsoft | windows_11_24h2 | - | - | arm64 |
| OS | microsoft | windows_11_24h2 | - | - | x64 |
| OS | microsoft | windows_11_25h2 | - | - | arm64 |
| OS | microsoft | windows_11_25h2 | - | - | x64 |
| OS | microsoft | windows_11_26h1 | - | - | arm64 |
| OS | microsoft | windows_11_26h1 | - | - | x64 |
| OS | microsoft | windows_server_2012 | - | - | - |
| OS | microsoft | windows_server_2012 | r2 | - | - |
| OS | microsoft | windows_server_2016 | - | - | - |
| OS | microsoft | windows_server_2019 | - | - | - |
| OS | microsoft | windows_server_2022 | - | - | - |
| OS | microsoft | windows_server_2025 | - | - | x64 |