What is CVE-2026-69383?

CVE-2026-69383 is a high-severity vulnerability in Microsoft Windows 11 23h2, classified under External Control of File Name or Path. CVSS score: 7.0/10. Published 2026-09-08.

How severe is CVE-2026-69383?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Microsoft Windows 11 23h2

CVE-2026-69383

External control of file name or path in Windows Shell allows an authorized attacker to elevate privileges locally.

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

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (28.8th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Weakness classification (CWE)

CWE-73 — External Control of File Name or Path

References

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

Frequently asked questions

What is CVE-2026-69383?: CVE-2026-69383 is a high-severity vulnerability in Microsoft Windows 11 23h2, classified under External Control of File Name or Path. CVSS score: 7.0/10. Published 2026-09-08.
How severe is CVE-2026-69383?: High severity. CVSS v3 base score is 7.0 out of 10.