CVEs / CVE-2024-43573
CVE-2024-43573: Microsoft Windows MSHTML Platform Spoofing Vulnerability
- Known exploited in the CISA KEV catalog since 8 Oct 2024
- high 8.1 CVSS 3.1 (NVD)
- EPSS 46.1% chance of exploitation in the next 30 days, higher than 98% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Windows MSHTML Platform contains an unspecified spoofing vulnerability which can lead to a loss of confidentiality.
Description
Windows MSHTML Platform Spoofing Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Windows 10 Version 1507 | from 10.0.10240.0, before 10.0.10240.20796 | 10.0.10240.20796 |
| Microsoft Windows 10 Version 1607 | from 10.0.14393.0, before 10.0.14393.7428 | 10.0.14393.7428 |
| Microsoft Windows 10 Version 1809 | from 10.0.17763.0, before 10.0.17763.6414 | 10.0.17763.6414 |
| Microsoft Windows 10 Version 21H2 | from 10.0.19043.0, before 10.0.19044.5011 | 10.0.19044.5011 |
| Microsoft Windows 10 Version 22H2 | from 10.0.19045.0, before 10.0.19045.5011 | 10.0.19045.5011 |
| Microsoft Windows 11 version 21H2 | from 10.0.22000.0, before 10.0.22000.3260 | 10.0.22000.3260 |
| Microsoft Windows 11 version 22H2 | from 10.0.22621.0, before 10.0.22621.4317 | 10.0.22621.4317 |
| Microsoft Windows 11 version 22H3 | from 10.0.22631.0, before 10.0.22631.4317 | 10.0.22631.4317 |
| Microsoft Windows 11 Version 23H2 | from 10.0.22631.0, before 10.0.22631.4317 | 10.0.22631.4317 |
| Microsoft Windows 11 Version 24H2 | from 10.0.26100.0, before 10.0.26100.2033 | 10.0.26100.2033 |
| Microsoft Windows Server 2012 R2 | from 6.3.9600.0, before 6.3.9600.22221 | 6.3.9600.22221 |
| Microsoft Windows Server 2012 R2 (Server Core installation) | from 6.3.9600.0, before 6.3.9600.22221 | 6.3.9600.22221 |
| Microsoft Windows Server 2016 | from 10.0.14393.0, before 10.0.14393.7428 | 10.0.14393.7428 |
| Microsoft Windows Server 2016 (Server Core installation) | from 10.0.14393.0, before 10.0.14393.7428 | 10.0.14393.7428 |
| Microsoft Windows Server 2019 | from 10.0.17763.0, before 10.0.17763.6414 | 10.0.17763.6414 |
| Microsoft Windows Server 2019 (Server Core installation) | from 10.0.17763.0, before 10.0.17763.6414 | 10.0.17763.6414 |
| Microsoft Windows Server 2022 | from 10.0.20348.0, before 10.0.20348.2762 | 10.0.20348.2762 |
| Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) | from 10.0.25398.0, before 10.0.25398.1189 | 10.0.25398.1189 |
Exploitation
| In CISA KEV since | 8 Oct 2024 |
|---|---|
| Due date for US federal agencies | 29 Oct 2024 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 8.1 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:NScored by NVD |
|---|---|
| Weakness | CWE-79 |
References
- CVE-2024-43573 on NVD
- CVE-2024-43573 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43573 (cited by CISA)
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43573 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43573 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.