Skip to content
brandefense.io
Request A Demo
Vulnerability Intelligence

CVE-2023-24880

MediumExploitedPublic exploit

Windows SmartScreen Security Feature Bypass Vulnerability

Published Mar 14, 2023 · Updated Oct 27, 2025

Key Facts

Patch immediately
  • CVE-2023-24880 is a medium-severity vulnerability (CVSS 4.4 v3.1) affecting Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft), Windows 10 20h2 (Microsoft) and 16 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 14, 2023 and is known to be used in ransomware campaigns. Public exploit code is available.
  • EPSS estimates a 78% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 1607 10.0.14393.5786, Windows 10 1809 10.0.17763.4131, Windows 10 20h2 10.0.19042.2728.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

4.4

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

EPSS (30-day exploit likelihood)

78%

Higher than 99.5% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2023-24880 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Windows SmartScreen Security Feature Bypass Vulnerability

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVMar 14, 2023Apr 4, 2023Known
Industry KEV feedMar 14, 2023Apr 4, 2023Known
CIRCL KEVMar 14, 2023Apr 4, 2023Known
ENISA EUVDMar 14, 2023n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

22 affected entries in total
ProductAffected versionsFixed in
Windows 10 1607MicrosoftSee advisory10.0.14393.5786
Windows 10 1809MicrosoftSee advisory10.0.17763.4131
Windows 10 20h2MicrosoftSee advisory10.0.19042.2728
Windows 10 21h2MicrosoftSee advisory10.0.19044.2728
Windows 10 22h2MicrosoftSee advisory10.0.19045.2728
14 more affected products in the full CVE brief

Patched Releases

Windows 10 1607

10.0.14393.5786

Windows 10 1809

10.0.17763.4131

Windows 10 20h2

10.0.19042.2728

Windows 10 21h2

10.0.19044.2728

Windows 10 22h2

10.0.19045.2728

Windows 11 21h2

10.0.22000.1696

Windows 11 22h2

10.0.22000.1413

Windows Server 2016

10.0.14393.5786

Windows Server 2019

10.0.17763.4131

Windows Server 2022

10.0.20348.1602, 10.0.20348.1607

Windows 10 Version 1607

10.0.14393.5786

Windows 10 Version 1809

10.0.17763.4131

Windows 10 Version 20H2

10.0.19042.2728

Windows 10 Version 21H2

10.0.19044.2728

Windows 10 Version 22H2

10.0.19045.2728

Windows 11 version 21H2

10.0.22000.1696

Windows 11 version 22H2

10.0.22621.1413

Windows Server 2016 (Server Core installation)

10.0.14393.5786

Windows Server 2019 (Server Core installation)

10.0.17763.4131

Timeline

  1. Publicly disclosed

    Mar 14, 2023

  2. Added to CISA KEV

    Mar 14, 2023

  3. Added to Industry KEV feed

    Mar 14, 2023

  4. Added to CIRCL KEV

    Mar 14, 2023

  5. Added to ENISA EUVD

    Mar 14, 2023

  6. Last updated

    Oct 27, 2025

Weakness Type

  • CWE-863 Incorrect Authorization

References

5 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2023-24880 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.

Request A Demo