CVE-2026-20817
Modified Modified - Updated After Analysis
Privilege Escalation via Improper Permissions in Windows Error Reporting

Publication date: 2026-01-13

Last updated on: 2026-05-26

Assigner: Microsoft Corporation

Description
Improper handling of insufficient permissions or privileges in Windows Error Reporting 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-2026-20817
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
microsoft windows_error_reporting *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-280 The product does not handle or incorrectly handles when it has insufficient privileges to access resources or functionality as specified by their permissions. This may cause it to follow unexpected code paths that may leave the product in an invalid state.
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Executive Summary

This vulnerability involves improper handling of insufficient permissions or privileges in Windows Error Reporting, which allows an authorized attacker to elevate their privileges locally on the affected system. [1]

Impact Analysis

An attacker who already has some level of authorization on the system can exploit this vulnerability to gain higher privileges, potentially leading to full control over the system and the ability to perform unauthorized actions. [1]

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