CVE-2026-20864
Modified Modified - Updated After Analysis
Heap-Based Buffer Overflow in Cdpsvc Enables Local Privilege Escalation

Publication date: 2026-01-13

Last updated on: 2026-05-26

Assigner: Microsoft Corporation

Description
Heap-based buffer overflow in Connected Devices Platform Service (Cdpsvc) allows an authorized attacker to elevate privileges locally.
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Meta Information
Published
2026-01-13
Last Modified
2026-05-26
Generated
2026-06-16
AI Q&A
2026-01-14
EPSS Evaluated
2026-06-15
NVD
CVE-2026-20864
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft connected_devices_platform_service *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-122 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().
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Executive Summary

This vulnerability is a heap-based buffer overflow in the Connected Devices Platform Service (Cdpsvc) that allows an authorized attacker to elevate their privileges locally on the affected system. [1]

Impact Analysis

An attacker who is already authorized on the system can exploit this vulnerability to gain higher privileges, potentially allowing them to perform actions that require elevated permissions, which can compromise system security and integrity. [1]

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