What is CVE-2026-69469?

CVE-2026-69469 is a medium-severity vulnerability in Microsoft Windows 10 1809, classified under Heap-based Buffer Overflow. CVSS score: 6.6/10. Published 2026-09-08.

How severe is CVE-2026-69469?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Buffer overflow in Microsoft Windows 10 1809

CVE-2026-69469

Integer overflow or wraparound in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to elevate privileges with a physical attack.

Vulnerability class: Buffer Overflow

Published 2026-09-08 · last modified 2026-09-16.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (40.7th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

References

Windows USB Audio Class driver (usbaudio.sys) Elevation of Privilege Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-69469?: CVE-2026-69469 is a medium-severity vulnerability in Microsoft Windows 10 1809, classified under Heap-based Buffer Overflow. CVSS score: 6.6/10. Published 2026-09-08.
How severe is CVE-2026-69469?: Medium severity. CVSS v3 base score is 6.6 out of 10.