What is CVE-2026-71333?

CVE-2026-71333 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Use After Free. CVSS score: 7.0/10. Published 2026-09-08.

How severe is CVE-2026-71333?

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

Use After Free in Microsoft Windows 10 1607

CVE-2026-71333

Use after free in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.

Vulnerability class: Use-After-Free

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: 0.003 (17.3th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.3% 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 Remote Access Connection Manager Elevation of Privilege Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-71333?: CVE-2026-71333 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Use After Free. CVSS score: 7.0/10. Published 2026-09-08.
How severe is CVE-2026-71333?: High severity. CVSS v3 base score is 7.0 out of 10.