Microsoft Trace Data Helper Out-of-Bounds Read Privilege Escalation

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Out-of-bounds read in Microsoft Trace Data Helper allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-09

AI Q&A

2026-09-09

EPSS Evaluated

N/A

NVD

CVE-2026-56198

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	trace_data_helper	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This is an out-of-bounds read vulnerability in Microsoft Trace Data Helper. An authorized attacker can exploit it to read memory outside intended boundaries, potentially leading to local privilege escalation.

Impact Analysis

If exploited, this vulnerability could allow an attacker to gain higher privileges on your system, enabling them to perform unauthorized actions such as installing malware or accessing sensitive data.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the out-of-bounds read vulnerability in the Trace Data Helper component.

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