What is CVE-2026-59119?

CVE-2026-59119 is a high-severity vulnerability in Microsoft Powershell 7.4, classified under Incorrect Default Permissions. CVSS score: 7.3/10. Published 2026-08-11.

How severe is CVE-2026-59119?

High severity. CVSS v3 base score is 7.3 out of 10.

Vulnerability in Microsoft Powershell 7.4

CVE-2026-59119

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

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Powershell 7.4 — versions 7.4.0
Microsoft Powershell 7.5 — versions 7.5.0
Microsoft Powershell 7.6 — versions 7.6.0

Weakness classification (CWE)

CWE-276 — Incorrect Default Permissions

References

PowerShell Elevation of Privilege Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-59119?: CVE-2026-59119 is a high-severity vulnerability in Microsoft Powershell 7.4, classified under Incorrect Default Permissions. CVSS score: 7.3/10. Published 2026-08-11.
How severe is CVE-2026-59119?: High severity. CVSS v3 base score is 7.3 out of 10.