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CVE-2022-21849

30
FAUCET Score

CVE-2022-21849 is a critical Remote Code Execution vulnerability affecting the Windows Internet Key Exchange (IKE) Protocol Extensions across various Windows versions, including Windows 10, 11, and Server editions. With a CVSS score of 9.8, it presents a severe risk, allowing unauthenticated attackers to achieve full compromise (confidentiality, integrity, availability) with low attack complexity over the network. Despite its high severity and some community discussion, there is currently no evidence of active exploitation in the wild, nor are there publicly available exploit modules in common frameworks like Metasploit or ExploitDB, though a proof-of-concept trigger has been discussed.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*
20h2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:arm64:*
20h2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x64:*
20h2CPE matchmatch criteria
cpe:2.3:o:microsoft:windows_10:20h2:*:*:*:*:*:x86:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
6.24%
Probability of exploitation in next 30 days
EPSS Percentile
92.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0624 is in the 87th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (27)

microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.2452
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.2452
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1809 for ARM64-based SystemsFixed in: 10.0.17763.2452
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019Fixed in: 10.0.17763.2452
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.2452
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1909 for 32-bit SystemsFixed in: 10.0.18363.2037
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1909 for x64-based SystemsFixed in: 10.0.18363.2037
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1909 for ARM64-based SystemsFixed in: 10.0.18363.2037
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H1 for x64-based SystemsFixed in: 10.0.19043.1466
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H1 for ARM64-based SystemsFixed in: 10.0.19043.1466
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H1 for 32-bit SystemsFixed in: 10.0.19043.1466
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19043.1466
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022Fixed in: 10.0.20348.469
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.469
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 20H2 for 32-bit SystemsFixed in: 10.0.19042.1466
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 20H2 for ARM64-based SystemsFixed in: 10.0.19042.1466
View patch
microsoftpatch availablevia msrc
Product: Windows Server, version 20H2 (Server Core Installation)Fixed in: 10.0.19042.1466
View patch
microsoftpatch availablevia msrc
Product: Windows 11 version 21H2 for x64-based SystemsFixed in: 10.0.22000.434
View patch
microsoftpatch availablevia msrc
Product: Windows 11 version 21H2 for ARM64-based SystemsFixed in: 10.0.22000.434
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19044.1466
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.1466
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.19177
View patch
microsoftpatch availablevia msrc
Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.19177
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.4886
View patch
microsoftpatch availablevia msrc
Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.4886
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016Fixed in: 10.0.14393.4886
View patch
microsoftpatch availablevia msrc
Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.4886
View patch

Vendor Advisories (1)

microsoft2022-Jan/CVE-2022-21849Important

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

Jan 11, 2022

References

portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2022-21849
msrc.microsoft.com / update-guide/vulnerability/CVE-2022-21849