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Vulnerability Intelligence

CVE-2022-34721

CriticalExploited

Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability

Published Sep 14, 2022 · Updated Mar 11, 2025

Key Facts

Patch immediately
  • CVE-2022-34721 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Windows 10 (Microsoft), Windows 11 (Microsoft), Windows 7 (Microsoft) and 22 more products.
  • It is exploited in the wild, listed in Industry KEV feed since Nov 25, 2022. No public exploit code is known.
  • EPSS estimates a 76% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Windows 10 Version 1507 10.0.10240.19444, Windows 10 Version 1607 10.0.14393.5356, Windows 10 Version 1809 10.0.17763.3406.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

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

EPSS (30-day exploit likelihood)

76%

Higher than 99.5% of all scored CVEs

Exploited in the wild

Yes

1 catalog listing

Public exploit code

None known

Get the full CVE-2022-34721 brief as a PDF

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

Description

Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedNov 25, 2022n/aNot reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

43 affected entries in total
ProductAffected versionsFixed in
Windows 10Microsoft1607, 1809, 20h2, 21h1, 21h2n/a
Windows 11MicrosoftSee advisoryn/a
Windows 7Microsoft>= 6.1.06.1.7601.26115
Windows 8.1Microsoft>= 6.3.06.3.9600.20571
Windows Rt 8.1MicrosoftSee advisoryn/a
20 more affected products in the full CVE brief

Patched Releases

Windows 10 Version 1507

10.0.10240.19444

Windows 10 Version 1607

10.0.14393.5356

Windows 10 Version 1809

10.0.17763.3406

Windows 10 Version 20H2

10.0.19042.2006

Windows 10 Version 21H1

10.0.19043.2006

Windows 10 Version 21H2

10.0.19044.2006

Windows 11 version 21H2

10.0.22000.978

Windows 7

6.1.7601.26115

Windows 7 Service Pack 1

6.1.7601.26115

Windows 8.1

6.3.9600.20571

Windows Server 2008 Service Pack 2

6.0.6003.21666

Windows Server 2008 R2 Service Pack 1

6.1.7601.26115

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

6.1.7601.26115

Windows Server 2008 Service Pack 2 (Server Core installation)

6.0.6003.21666

Windows Server 2012

6.2.9200.23865

Windows Server 2012 (Server Core installation)

6.2.9200.23865

Windows Server 2012 R2

6.3.9600.20571

Windows Server 2012 R2 (Server Core installation)

6.3.9600.20571

Windows Server 2016

10.0.14393.5356

Windows Server 2016 (Server Core installation)

10.0.14393.5356

Windows Server 2019

10.0.17763.3406

Windows Server 2019 (Server Core installation)

10.0.17763.3406

Windows Server 2022

10.0.20348.1006

Timeline

  1. Publicly disclosed

    Sep 14, 2022

  2. Added to Industry KEV feed

    Nov 25, 2022

  3. Last updated

    Mar 11, 2025

References

15 more references in the full CVE brief

FAQ

Common Questions.

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