Skip to content
brandefense.io
Request A Demo
Vulnerability Intelligence

CVE-2022-24521

HighExploitedPublic exploit

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Published May 11, 2022 · Updated Oct 21, 2025

Key Facts

Patch immediately
  • CVE-2022-24521 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Windows 10 1507 (Microsoft), Windows 10 1607 (Microsoft), Windows 10 1809 (Microsoft) and 22 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 12, 2022 and is known to be used in ransomware campaigns. Public exploit code is available.
  • EPSS estimates a 7.1% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 1507 10.0.10240.19265, Windows 10 1607 10.0.14393.5066, Windows 10 1809 <=10.0.17763.2803.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.8

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

EPSS (30-day exploit likelihood)

7.1%

Higher than 94.1% 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-2022-24521 brief as a PDF

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

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVApr 13, 2022May 4, 2022Known
Industry KEV feedApr 12, 2022May 4, 2022Known
CIRCL KEVApr 13, 2022May 4, 2022Known
ENISA EUVDApr 13, 2022n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

45 affected entries in total
ProductAffected versionsFixed in
Windows 10 1507MicrosoftSee advisory10.0.10240.19265
Windows 10 1607MicrosoftSee advisory10.0.14393.5066
Windows 10 1809MicrosoftSee advisory10.0.17763.2803
Windows 10 1909MicrosoftSee advisory10.0.18363.2212
Windows 10 20h2MicrosoftSee advisory10.0.19042.1645
20 more affected products in the full CVE brief

Patched Releases

Windows 10 1507

10.0.10240.19265

Windows 10 1607

10.0.14393.5066

Windows 10 1809

<=10.0.17763.2803

Windows 10 1909

10.0.18363.2212

Windows 10 20h2

10.0.19042.1645

Windows 10 21h1

10.0.19043.1645

Windows 10 21h2

10.0.19044.1645

Windows 11 21h2

10.0.22000.613

Windows Server 2016

10.0.14393.5066

Windows Server 2019

10.0.17763.2803

Windows Server 2022

10.0.20348.643

Windows Server 20h2

10.0.19042.1645

Windows 10 Version 1507

10.0.10240.19265

Windows 10 Version 1607

10.0.14393.5066

Windows 10 Version 1809

10.0.17763.2803

Windows 10 Version 1909

10.0.18363.2212

Windows 10 Version 20H2

10.0.19042.1645

Windows 10 Version 21H1

10.0.19043.1645

Windows 10 Version 21H2

10.0.19044.1645

Windows 11 version 21H2

10.0.22000.613

Windows 7

6.1.7601.25924

Windows 7 Service Pack 1

6.1.7601.25924

Windows 8.1

6.3.9600.20337

Windows Server 2008 Service Pack 2

6.0.6003.21446

Windows Server 2008 R2 Service Pack 1

6.1.7601.25924

Timeline

  1. Added to Industry KEV feed

    Apr 12, 2022

  2. Added to CISA KEV

    Apr 13, 2022

  3. Added to CIRCL KEV

    Apr 13, 2022

  4. Added to ENISA EUVD

    Apr 13, 2022

  5. Publicly disclosed

    May 11, 2022

  6. Last updated

    Oct 21, 2025

Weakness Type

  • CWE-787 Out-of-bounds Write

References

15 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2022-24521 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