7.8

CVE-2026-20864

Windows Connected Devices Platform Service Elevation of Privilege Vulnerability

Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Windows 10 1809 HwPlatformx64 Version < 10.0.17763.8276
Microsoft ≫ Windows 10 1809 HwPlatformx86 Version < 10.0.17763.8276
Microsoft ≫ Windows 10 21h2 Version < 10.0.19044.6809
Microsoft ≫ Windows 10 22h2 Version < 10.0.19045.6809
Microsoft ≫ Windows 11 23h2 Version < 10.0.22631.6491
Microsoft ≫ Windows 11 24h2 Version < 10.0.26100.7623
Microsoft ≫ Windows 11 25h2 Version < 10.0.26200.7623
Microsoft ≫ Windows Server 2019 Version < 10.0.17763.8276
Microsoft ≫ Windows Server 2022 Version < 10.0.20348.4648
Microsoft ≫ Windows Server 2022 23h2 Version < 10.0.25398.2092
Microsoft ≫ Windows Server 2025 Version < 10.0.26100.32230
VulnDex Vulnerability Enrichment
Diese Information steht angemeldeten Benutzern zur Verfügung. Login Login
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.53% 0.407
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
secure@microsoft.com 7.8 1.8 5.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-122 Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20864
Vendor Advisory
https://www.vicarius.io/vsociety/posts/cve-2026-20864-detection-script-heap-based-buffer-overflow-in-windows-connected-devices-platform-service
https://www.vicarius.io/vsociety/posts/cve-2026-20864-mitigation-script-heap-based-buffer-overflow-in-windows-connected-devices-platform-service