CVE-2024-43573

84

FAUCET Score

CVE-2024-43573 is a critical spoofing vulnerability affecting the Windows MSHTML Platform. With a CVSS score of 8.1 (HIGH), it can be exploited remotely without authentication (AV:N) and with low attack complexity (AC:L), potentially leading to high impact on confidentiality and integrity (C:H/I:H). This vulnerability is actively exploited in the wild, as confirmed by its presence in the KEV catalog, and has garnered significant community attention with numerous discussions and media coverage, despite no public Metasploit or ExploitDB modules. Organizations should prioritize patching immediately to mitigate this severe threat.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 10.0.10240.20796CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1507:::::::x64:*
		< 10.0.10240.20796CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1507:::::::x86:*
		< 10.0.14393.7428CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1607:::::::x64:*
		< 10.0.14393.7428CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1607:::::::x86:*
		< 10.0.17763.6414CPE matchmatch criteria	cpe:2.3:o:microsoft:windows_10_1809::::::::

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

43.68%

Probability of exploitation in next 30 days

EPSS Percentile

98.6%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

Added to KEV · Oct 8, 2024

This CVE's current EPSS score of 0.4368 is in the 99th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (30)

microsoftpatch availablevia nvd_reference

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for x64-based SystemsFixed in: 10.0.19045.5011

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for ARM64-based SystemsFixed in: 10.0.19045.5011

microsoftpatch availablevia msrc

Product: Windows 10 Version 22H2 for 32-bit SystemsFixed in: 10.0.19045.5011

microsoftpatch availablevia msrc

Product: Windows 11 version 21H2 for ARM64-based SystemsFixed in: 10.0.22000.3260

microsoftpatch availablevia msrc

Product: Windows 11 version 21H2 for x64-based SystemsFixed in: 10.0.22000.3260

microsoftpatch availablevia msrc

Product: Windows 11 Version 22H2 for ARM64-based SystemsFixed in: 10.0.22621.4317

microsoftpatch availablevia msrc

Product: Windows 11 Version 22H2 for x64-based SystemsFixed in: 10.0.22621.4317

microsoftpatch availablevia msrc

Product: Windows 11 Version 23H2 for ARM64-based SystemsFixed in: 10.0.22631.4317

microsoftpatch availablevia msrc

Product: Windows 11 Version 23H2 for x64-based SystemsFixed in: 10.0.22631.4317

microsoftpatch availablevia msrc

Product: Windows Server 2022Fixed in: 10.0.20348.2762

microsoftpatch availablevia msrc

Product: Windows Server 2022 (Server Core installation)Fixed in: 10.0.20348.2762

microsoftpatch availablevia msrc

Product: Windows Server 2022, 23H2 Edition (Server Core installation)Fixed in: 10.0.25398.1189

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for 32-bit SystemsFixed in: 10.0.19044.5011

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for x64-based SystemsFixed in: 10.0.19044.5011

microsoftpatch availablevia msrc

Product: Windows 10 Version 21H2 for ARM64-based SystemsFixed in: 10.0.19044.5011

microsoftpatch availablevia msrc

Product: Windows Server 2019Fixed in: 10.0.17763.6414

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for x64-based SystemsFixed in: 10.0.17763.6414

microsoftpatch availablevia msrc

Product: Windows 10 Version 1809 for 32-bit SystemsFixed in: 10.0.17763.6414

microsoftpatch availablevia msrc

Product: Windows Server 2019 (Server Core installation)Fixed in: 10.0.17763.6414

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for x64-based SystemsFixed in: 10.0.26100.2033

microsoftpatch availablevia msrc

Product: Windows 11 Version 24H2 for ARM64-based SystemsFixed in: 10.0.26100.2033

microsoftpatch availablevia msrc

Product: Windows 10 for 32-bit SystemsFixed in: 10.0.10240.20796

microsoftpatch availablevia msrc

Product: Windows 10 for x64-based SystemsFixed in: 10.0.10240.20796

microsoftpatch availablevia msrc

Product: Windows Server 2016Fixed in: 10.0.14393.7428

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for x64-based SystemsFixed in: 10.0.14393.7428

microsoftpatch availablevia msrc

Product: Windows 10 Version 1607 for 32-bit SystemsFixed in: 10.0.14393.7428

microsoftpatch availablevia msrc

Product: Windows Server 2016 (Server Core installation)Fixed in: 10.0.14393.7428

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2 (Server Core installation)Fixed in: 6.3.9600.22221

microsoftpatch availablevia msrc

Product: Windows Server 2012 R2Fixed in: 6.3.9600.22221

Vendor Advisories (1)

microsoft2024-Oct/CVE-2024-43573Moderate

Windows MSHTML Platform Spoofing Vulnerability

References

cisa.gov / known-exploited-vulnerabilities-catalog

US Government Resource

msrc.microsoft.com / update-guide/vulnerability/CVE-2024-43573

PatchVendor Advisory