CVE-2024-38213: Microsoft Windows SmartScreen Security Feature Bypass Vulnerability
Affects Microsoft WindowsSource CISA KEV
Exploited in the wild · KEV due 3 Sep 2024 · 13% EPSS : apply the vendor's fix or mitigations to Microsoft Windows now.
Data as of 10/24/2026, 22:16:00 UTC
- Exploitation
Actively exploited – in CISA KEV since 08/13/2024
- KEV deadline
- 09/03/2024 US federal agencies must patch by this date; a sensible deadline for everyone else.
- EPSS
- 13.6% chance of exploitation in 30 days – higher than 96% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:F/RL:O/RC:CWhat to do
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description
Microsoft Windows SmartScreen contains a security feature bypass vulnerability that allows an attacker to bypass the SmartScreen user experience via a malicious file.
Weaknesses
- CWE-693Protection Mechanism Failure (opens in a new tab)
Pillar weaknessOWASP Top 10 A06:2025: Insecure Design (opens in a new tab)
The product does not use or incorrectly uses a protection mechanism that provides sufficient defense against directed attacks against the product.
MITRE discourages mapping vulnerabilities to this broad entry; the root cause is usually a more specific weakness.