Windows Error Reporting Temporary File Tampering

Publication date: 2026-09-08

Last updated on: 2026-09-28

Assigner: Microsoft Corporation

Description

Creation of temporary file in directory with insecure permissions in Windows Error Reporting allows an authorized attacker to perform tampering locally.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-09-08

Last Modified

2026-09-28

Generated

2026-09-29

AI Q&A

2026-09-09

EPSS Evaluated

2026-09-27

NVD

CVE-2026-69482

Affected Vendors & Products

Vendor	Product	Version / Range
microsoft	windows_10_1607	to 10.0.14393.9512 (exc)
microsoft	windows_10_1607	to 10.0.14393.9512 (exc)
microsoft	windows_10_1809	to 10.0.17763.9245 (exc)
microsoft	windows_10_1809	to 10.0.17763.9245 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7725 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7725 (exc)
microsoft	windows_10_21h2	to 10.0.19044.7725 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7725 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7725 (exc)
microsoft	windows_10_22h2	to 10.0.19045.7725 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7582 (exc)
microsoft	windows_11_23h2	to 10.0.22631.7582 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9445 (exc)
microsoft	windows_11_24h2	to 10.0.26100.9445 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9445 (exc)
microsoft	windows_11_25h2	to 10.0.26200.9445 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2954 (exc)
microsoft	windows_11_26h1	to 10.0.28000.2954 (exc)
microsoft	windows_server_2025	to 10.0.26100.33438 (exc)
microsoft	windows_server_2016	to 10.0.14393.9512 (exc)
microsoft	windows_server_2019	to 10.0.17763.9245 (exc)
microsoft	windows_server_2022	to 10.0.20348.5622 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-379	The product creates a temporary file in a directory whose permissions allow unintended actors to determine the file's existence or otherwise access that file.

Attack-Flow Graph

Executive Summary

This vulnerability involves Windows Error Reporting creating temporary files in a directory with insecure permissions. An authorized attacker could exploit this to tamper with files locally, potentially altering or deleting them.

Impact Analysis

An attacker with local access could modify or delete critical system files through this vulnerability, leading to system instability, data loss, or unauthorized changes. The impact is limited to local tampering.

Mitigation Strategies

Apply the latest Windows security updates from Microsoft to address the insecure permissions in Windows Error Reporting. Ensure proper access controls are set on temporary directories and restrict unauthorized modifications.

Hi! I’m here to help you understand CVE-2026-69482. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70