Use After Free in Windows Connected User Experiences and Telemetry

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Microsoft Corporation

Description

Use after free in Windows Connected User Experiences and Telemetry allows an authorized attacker to elevate privileges locally.

CVSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-68847

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_connected_user_experiences_and_telemetry	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-416	The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Attack-Flow Graph

Executive Summary

This vulnerability is a use after free issue in Windows Connected User Experiences and Telemetry. It allows an authorized attacker to elevate privileges locally by exploiting a flaw where memory is accessed after it has been freed.

Impact Analysis

An attacker could gain elevated privileges on your system, allowing them to perform unauthorized actions such as installing malware, accessing sensitive data, or taking control of your device.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Connected User Experiences and Telemetry component. Disable the service if not required and monitor for unusual privilege escalation attempts.

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