What is CVE-2026-69807?

CVE-2026-69807 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Path Traversal. CVSS score: 8.0/10. Published 2026-09-08.

How severe is CVE-2026-69807?

High severity. CVSS v3 base score is 8.0 out of 10.

Path Traversal in Microsoft Windows 10 1607

CVE-2026-69807

Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an authorized attacker to elevate privileges over a network.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2026-09-08 · last modified 2026-09-24.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.009 (58.4th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

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

Frequently asked questions

What is CVE-2026-69807?: CVE-2026-69807 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Path Traversal. CVSS score: 8.0/10. Published 2026-09-08.
How severe is CVE-2026-69807?: High severity. CVSS v3 base score is 8.0 out of 10.