What is CVE-2026-69732?

CVE-2026-69732 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-09-08.

How severe is CVE-2026-69732?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Microsoft Windows 10 1607

CVE-2026-69732

Heap-based buffer overflow in Windows Link Layer Topology Discovery Protocol allows an unauthorized attacker to execute code over a network.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.9th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

Windows Link Layer Topology Discovery Protocol Remote Code Execution Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-69732?: CVE-2026-69732 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-09-08.
How severe is CVE-2026-69732?: High severity. CVSS v3 base score is 8.1 out of 10.