What is CVE-2026-69890?

CVE-2026-69890 is a high-severity vulnerability in Microsoft Windows 10 1809, classified under Use After Free. CVSS score: 7.5/10. Published 2026-09-08.

How severe is CVE-2026-69890?

High severity. CVSS v3 base score is 7.5 out of 10.

Use After Free in Microsoft Windows 10 1809

CVE-2026-69890

Use after free in Windows Virtual Trusted Platform Module allows an authorized attacker to elevate privileges locally.

Vulnerability class: Use-After-Free

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

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (19.0th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.0% 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: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-416 — Use After Free

References

Windows Virtual Trusted Platform Module Elevation of Privilege Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-69890?: CVE-2026-69890 is a high-severity vulnerability in Microsoft Windows 10 1809, classified under Use After Free. CVSS score: 7.5/10. Published 2026-09-08.
How severe is CVE-2026-69890?: High severity. CVSS v3 base score is 7.5 out of 10.