CVE-2024-29988
HighExploitedPublic exploitSmartScreen Prompt Security Feature Bypass Vulnerability
Published Apr 9, 2024 · Updated Oct 21, 2025
Key Facts
Patch immediately- CVE-2024-29988 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Windows 10 1809 (Microsoft), Windows 10 21h2 (Microsoft), Windows 10 22h2 (Microsoft) and 15 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 9, 2024. Public exploit code is available.
- EPSS estimates a 45% probability of exploitation in the next 30 days.
- Fixed versions are available, including Windows 10 1809 10.0.17763.5696, Windows 10 21h2 10.0.19044.4291, Windows 10 22h2 10.0.19045.4291.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
45%
Higher than 98.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2024-29988 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
SmartScreen Prompt Security Feature Bypass Vulnerability
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Apr 30, 2024 | May 21, 2024 | Not reported |
| Industry KEV feed | Apr 9, 2024 | May 21, 2024 | Not reported |
| CIRCL KEV | Apr 30, 2024 | May 21, 2024 | Not reported |
| ENISA EUVD | Apr 30, 2024 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
22 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Windows 10 1809Microsoft | See advisory | 10.0.17763.5696 |
| Windows 10 21h2Microsoft | See advisory | 10.0.19044.4291 |
| Windows 10 22h2Microsoft | See advisory | 10.0.19045.4291 |
| Windows 11 21h2Microsoft | See advisory | 10.0.22000.2899 |
| Windows 11 22h2Microsoft | See advisory | 10.0.22621.3447 |
Patched Releases
Windows 10 1809
10.0.17763.5696
Windows 10 21h2
10.0.19044.4291
Windows 10 22h2
10.0.19045.4291
Windows 11 21h2
10.0.22000.2899
Windows 11 22h2
10.0.22621.3447
Windows 11 23h2
10.0.22631.3447
Windows Server 2019
10.0.17763.5696
Windows Server 2022
10.0.20348.2402
Windows Server 2022 23h2
10.0.25398.830
Windows 10 Version 1809
10.0.17763.5696
Windows 10 Version 21H2
10.0.19044.4291
Windows 10 Version 22H2
10.0.19045.4291
Windows 11 version 21H2
10.0.22000.2899
Windows 11 version 22H2
10.0.22621.3447
Windows 11 version 22H3
10.0.22631.3447
Windows 11 Version 23H2
10.0.22631.3447
Windows Server 2019 (Server Core installation)
10.0.17763.5696
Windows Server 2022, 23H2 Edition (Server Core installation)
10.0.25398.830
Timeline
Publicly disclosed
Apr 9, 2024
Added to Industry KEV feed
Apr 9, 2024
Added to CISA KEV
Apr 30, 2024
Added to CIRCL KEV
Apr 30, 2024
Added to ENISA EUVD
Apr 30, 2024
Last updated
Oct 21, 2025
Weakness Type
- CWE-693 Protection Mechanism Failure
References
- patchSmartScreen Prompt Security Feature Bypass Vulnerability
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
SmartScreen Prompt Security Feature Bypass Vulnerability
Affected: Windows 10 1809 (Microsoft); Windows 10 21h2 (Microsoft); Windows 10 22h2 (Microsoft), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 9, 2024.
Yes. It was added on Apr 30, 2024 with a federal remediation due date of May 21, 2024.
Public exploit code is available.
Fixed versions are available, including Windows 10 1809 10.0.17763.5696, Windows 10 21h2 10.0.19044.4291, Windows 10 22h2 10.0.19045.4291.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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