Windows 10 1809
CVE-2026-20864
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from Vendor (microsoft) · only source for this CVE.
CVSS VectorVendor: microsoft
Lifecycle Timeline
2DescriptionCVE.org
Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
AnalysisAI
Windows Server and Windows 10/11 Connected Devices Platform Service (Cdpsvc) contains a heap buffer overflow that allows authenticated local users to escalate privileges to system level. The vulnerability requires low complexity exploitation with no user interaction, affecting multiple recent Windows versions including Server 2022, Windows 10 21h2, and Windows 11 23h2. No patch is currently available for this high-severity flaw.
Technical ContextAI
Classified as CWE-122 (Heap-based Buffer Overflow). Affects the Connected Devices Platform component of Windows 10 1809. Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
RemediationAI
Monitor vendor advisories for a patch. Enable ASLR, DEP/NX, and stack canaries where possible.
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Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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