Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
According to the CVSS metric, user interaction is required (UI:R) and privileges required is Low (PR:L). What does that mean for this vulnerability?
An authorized attacker with privileges could send controlled inputs to exploit this vulnerability.
Vulnerabilities 1
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High 7.3
PowerShell Elevation of Privilege Vulnerability
Incorrect default permissions in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.
Revision history
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#2
The security updates for Powershell have been updated.
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#1
Information published.
References
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CVE-2026-59119 PowerShell Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-59119
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss