ReviewHigh

CVE-2026-59119

Microsoft PowerShell 7.4, PowerShell 7.5, PowerShell 7.6

Incorrect default permissions in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

PRIORITY ASSESSMENT

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability-

Technical severityCVSS 7.3

Incorrect default permissions in Microsoft PowerShell allows an authorized attacker to elevate privileges locally.

Product: Microsoft PowerShell 7.4, PowerShell 7.5, PowerShell 7.6
Affected versions: >= 7.4.0 < 7.4.19.0, >= 7.5.0 < 7.5.10.0, >= 7.6.0 < 7.6.5, >= 7.4 < 7.4.19.0, >= 7.5 < 7.5.10.0, >= 7.6 < 7.6.5
Fixed versions: Verify the fixed release separately for each affected product line

Confirm exposure before applying a vendor-supported change.

1
Identify
Confirm that Microsoft PowerShell 7.4, PowerShell 7.5, PowerShell 7.6 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.