CVE-2026-66372

Medium CVSS 6.8

Published 2026-09-15 · last changed 2026-09-18

The fix

We hold no Microsoft remediation data for CVE-2026-66372, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

The affected products use insufficiently random values, which allows web session tokens to be predictable, bounding token entropy to the seed space.

Sources

NVD record for CVE-2026-66372

CVSS vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N