CVE-2021-34466
Low
No strong exploitation signal.
CVSS base
5.7
MEDIUM
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
0.8%
55.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-290
Published 2021-07-16 · modified 2026-08-10
CVSS breakdown
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
| Attack Vector | P | Physical |
| Attack Complexity | H | High |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | N | None |
Timeline
- 2021-07-16 — Published (NVD)
- 2026-08-10 — Last modified (NVD)
Description
Windows Hello Security Feature Bypass Vulnerability