Elevation of Privilege in Windows RPC IDL Interface

Publication date: 2026-01-13

Last updated on: 2026-01-13

Assigner: Microsoft Corporation

Description

Windows Remote Procedure Call Interface Definition Language (IDL) Elevation of Privilege Vulnerability

CVSS Scores

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Meta Information

Published

2026-01-13

Last Modified

2026-01-13

Generated

2026-07-06

AI Q&A

2026-01-14

EPSS Evaluated

2026-07-05

NVD

CVE-2026-20832

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_remote_procedure_call	to 2026-20832 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-415	The product calls free() twice on the same memory address.

Attack-Flow Graph

Executive Summary

This vulnerability is an Elevation of Privilege issue in the Windows Remote Procedure Call Interface Definition Language (IDL). It allows an attacker with limited privileges to gain higher privileges on the affected system. [1]

Impact Analysis

This vulnerability can allow an attacker to elevate their privileges, potentially gaining full control over the affected system, which can lead to unauthorized access, data modification, or disruption of services. [1]

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