What is CVE-2026-73019?

CVE-2026-73019 is a medium-severity vulnerability in Microsoft Windows 10 1607, classified under CWE-41. CVSS score: 4.3/10. Published 2026-09-08.

How severe is CVE-2026-73019?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Microsoft Windows 10 1607

CVE-2026-73019

Improper resolution of path equivalence in Windows URL Moniker allows an unauthorized attacker to bypass a security feature over a network.

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

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (55.1th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-41

References

Windows URL Moniker Security Feature Bypass Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-73019?: CVE-2026-73019 is a medium-severity vulnerability in Microsoft Windows 10 1607, classified under CWE-41. CVSS score: 4.3/10. Published 2026-09-08.
How severe is CVE-2026-73019?: Medium severity. CVSS v3 base score is 4.3 out of 10.