CVE-2026-20804
HIGH severity · CVSS 7.7 · CWE-266
7.7CVSS HIGH
Summary
Incorrect privilege assignment in Windows Hello allows an unauthorized attacker to perform tampering locally.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products we track (4)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.