What is CVE-2026-62801?

CVE-2026-62801 is a medium-severity vulnerability in Microsoft Windows 10 1607, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-09-08.

How severe is CVE-2026-62801?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Microsoft Windows 10 1607

CVE-2026-62801

Improper limitation of a pathname to a restricted directory ('path traversal') in Windows PowerShell allows an unauthorized attacker to bypass a security feature 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 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.7th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

References

Microsoft PowerShell Security Feature Bypass Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-62801?: CVE-2026-62801 is a medium-severity vulnerability in Microsoft Windows 10 1607, classified under Path Traversal. CVSS score: 6.5/10. Published 2026-09-08.
How severe is CVE-2026-62801?: Medium severity. CVSS v3 base score is 6.5 out of 10.