CVE-2026-59119: Microsoft PowerShell

High severity, CVSS 7.3. EPSS: 0.4% chance of exploitation in the next 30 days.

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

Affected products

• Microsoft PowerShell: from 7.4, before 7.4.19.0 (fixed in 7.4.19.0); from 7.5, before 7.5.10.0 (fixed in 7.5.10.0); from 7.6, before 7.6.5 (fixed in 7.6.5)

Published 2026-08-11. Last modified 2026-08-17.