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Vulnerability Intelligence

CVE-2022-22047

HighExploitedPublic exploit

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

Published Sep 14, 2022 · Updated Oct 21, 2025

Key Facts

Patch immediately
  • CVE-2022-22047 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 Jul 12, 2022. Public exploit code is available.
  • EPSS estimates a 19% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 1507 10.0.10240.19360, Windows 10 1607 10.0.14393.5246, Windows 10 1809 10.0.17763.3165.
  • 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)

19%

Higher than 97.2% 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-2022-22047 brief as a PDF

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

Description

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVJul 12, 2022Aug 2, 2022Not reported
Industry KEV feedJul 12, 2022Aug 2, 2022Not reported
CIRCL KEVJul 12, 2022Aug 2, 2022Not reported
ENISA EUVDJul 12, 2022n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

43 affected entries in total
ProductAffected versionsFixed in
Windows 10 1507MicrosoftSee advisory10.0.10240.19360
Windows 10 1607MicrosoftSee advisory10.0.14393.5246
Windows 10 1809MicrosoftSee advisory10.0.17763.3165
Windows 10 20h2MicrosoftSee advisory10.0.19042.1826
Windows 10 21h1MicrosoftSee advisory10.0.19043.1826
20 more affected products in the full CVE brief

Patched Releases

Windows 10 1507

10.0.10240.19360

Windows 10 1607

10.0.14393.5246

Windows 10 1809

10.0.17763.3165

Windows 10 20h2

10.0.19042.1826

Windows 10 21h1

10.0.19043.1826

Windows 10 21h2

10.0.19044.1826

Windows 11 21h2

10.0.22000.795

Windows Server 2016

10.0.14393.5246

Windows Server 2019

10.0.17763.3165

Windows Server 2022

10.0.20348.825

Windows Server 20h2

10.0.19042.1826

Windows 10 Version 1507

10.0.10240.19360

Windows 10 Version 1607

10.0.14393.5246

Windows 10 Version 1809

10.0.17763.3165

Windows 10 Version 20H2

10.0.19042.1826

Windows 10 Version 21H1

10.0.19043.1826

Windows 10 Version 21H2

10.0.19044.1826

Windows 11 version 21H2

10.0.22000.795

Windows 7

6.1.7601.26022

Windows 7 Service Pack 1

6.1.7601.26022

Windows 8.1

6.3.9600.20478

Windows Server 2008 Service Pack 2

6.0.6003.21569

Windows Server 2008 R2 Service Pack 1

6.1.7601.26022

Windows Server 2008 R2 Service Pack 1 (Server Core installation)

6.1.7601.26022

Windows Server 2008 Service Pack 2 (Server Core installation)

6.0.6003.21569

Timeline

  1. Added to CISA KEV

    Jul 12, 2022

  2. Added to Industry KEV feed

    Jul 12, 2022

  3. Added to CIRCL KEV

    Jul 12, 2022

  4. Added to ENISA EUVD

    Jul 12, 2022

  5. Publicly disclosed

    Sep 14, 2022

  6. Last updated

    Oct 21, 2025

Weakness Type

  • CWE-426 Untrusted Search Path

References

15 more references in the full CVE brief

FAQ

Common Questions.

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