CVE-2024-21351
Act now ● On CISA KEV — actively exploited
Actively exploited — on the CISA KEV list.
CVSS base
7.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
EPSS — probability of exploitation (30 days)
30.3%
98.1th percentile
CISA KEV
Listed
Added 2024-02-13 · patch by 2024-03-05
Weakness / dates
CWE-94
Published 2024-02-13 · modified 2026-08-10
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | L | Low |
| Integrity | H | High |
| Availability | L | Low |
Timeline
- 2024-02-13 — Published (NVD)
- 2024-02-13 — Added to CISA KEV (actively exploited)
- 2024-03-05 — CISA patch-by deadline
- 2026-08-10 — Last modified (NVD)
Description
Windows SmartScreen Security Feature Bypass Vulnerability