Auth bypass in Microsoft Windows 10 Version 1607
CVE-2026-70185
Protection mechanism failure in Windows PowerShell allows an authorized attacker to bypass a security feature locally.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Microsoft Windows 10 Version 1607
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 21h2
- Microsoft Windows 10 Version 22h2
- Microsoft Windows 11 Version 23h2
- Microsoft Windows 11 Version 24h2
- Microsoft Windows 11 Version 25h2
- Microsoft Windows 11 Version 26h1
- Microsoft Windows 11 Version 26h2
- Microsoft Windows Server 2012
Weakness classification (CWE)
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70185 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-70185?
- CVE-2026-70185 is a high-severity vulnerability in Microsoft Windows 10 Version 1607, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-10-13.
- How severe is CVE-2026-70185?
- High severity. CVSS v3 base score is 8.8 out of 10.