CVE-2026-68821
Analyzed Analyzed - Analysis Complete

Windows Package Manager Privilege Escalation Vulnerability

Vulnerability report for CVE-2026-68821, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-11

Last updated on: 2026-08-29

Assigner: Microsoft Corporation

Description

Improper privilege management in Windows Package Manager allows an authorized attacker to elevate privileges locally.

CVSS Scores

EPSS Scores

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Meta Information

Published
2026-08-11
Last Modified
2026-08-29
Generated
2026-09-01
AI Q&A
2026-08-12
EPSS Evaluated
2026-08-30
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
microsoft app_installer to 1.29.280 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-269 The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

Attack-Flow Graph

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Executive Summary

This vulnerability is an improper privilege management issue in Windows Package Manager. An authorized attacker can exploit it to elevate their privileges locally on a system.

Detection Guidance

Detecting this vulnerability requires checking for unauthorized privilege escalation attempts via Windows Package Manager. Monitor logs for suspicious winget commands or unexpected changes in user permissions. Review Windows Event Logs under Application and Security sections for events related to winget.exe or privilege modifications.

Impact Analysis

An attacker could gain higher-level access to your system, allowing them to perform unauthorized actions such as installing malicious software, accessing sensitive data, or making system changes.

Compliance Impact

This vulnerability allows local privilege escalation, which could enable unauthorized access to sensitive data or system functions. For GDPR, this may impact data confidentiality and integrity requirements. For HIPAA, it could risk unauthorized access to protected health information. Organizations must assess exposure and apply mitigations to maintain compliance.

Mitigation Strategies

Apply the latest security updates from Microsoft to patch the Windows Package Manager vulnerability. Monitor Microsoft's update guide for patches and ensure all systems are updated promptly.

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