6.5Medium KEV

CVE-2024-43573Windows MSHTML Platform Spoofing Vulnerability

Microsoft Windows 10 Version 1507; Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2 Published: 2024-10-08 20:35 (2 years ago)

Known exploited — Microsoft Windows MSHTML Platform Spoofing Vulnerability

CISA confirmed this vulnerability is used in real attacks on 08.10.2024. Remediation deadline for US federal agencies: 29.10.2024.

Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43573 ; https://nvd.nist.gov/vuln/detail/CVE-2024-43573

Description

Windows MSHTML Platform Spoofing Vulnerability

Weakness (CWE): CWE-79

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
microsoft	windows 10 1507	10.0.10240.0 – < 10.0.10240.20796
microsoft	windows 10 1607	10.0.14393.0 – < 10.0.14393.7428
microsoft	windows 10 1809	10.0.17763.0 – < 10.0.17763.6414
microsoft	windows 10 21H2	10.0.19043.0 – < 10.0.19044.5011
microsoft	windows 10 22H2	10.0.19045.0 – < 10.0.19045.5011
Microsoft	Windows 10 Version 1507	10.0.10240.0 – < 10.0.10240.20796
Microsoft	Windows 10 Version 1607	10.0.14393.0 – < 10.0.14393.7428
Microsoft	Windows 10 Version 1809	10.0.17763.0 – < 10.0.17763.6414
Microsoft	Windows 10 Version 21H2	10.0.19043.0 – < 10.0.19044.5011
Microsoft	Windows 10 Version 22H2	10.0.19045.0 – < 10.0.19045.5011
microsoft	windows 11 21H2	10.0.22000.0 – < 10.0.22000.3260
microsoft	windows 11 22H2	10.0.22621.0 – < 10.0.22621.4317
microsoft	windows 11 23H2	10.0.22631.0 – < 10.0.22631.4317
microsoft	windows 11 24H2	10.0.26100.0 – < 10.0.26100.2033
Microsoft	Windows 11 version 21H2	10.0.22000.0 – < 10.0.22000.3260
Microsoft	Windows 11 version 22H2	10.0.22621.0 – < 10.0.22621.4317
Microsoft	Windows 11 version 22H3	10.0.22631.0 – < 10.0.22631.4317
Microsoft	Windows 11 Version 23H2	10.0.22631.0 – < 10.0.22631.4317
Microsoft	Windows 11 Version 24H2	10.0.26100.0 – < 10.0.26100.2033
microsoft	windows server 2012	r2
Microsoft	Windows Server 2012 R2	6.3.9600.0 – < 6.3.9600.22221
Microsoft	Windows Server 2012 R2 (Server Core installation)	6.3.9600.0 – < 6.3.9600.22221
Microsoft	Windows Server 2016	10.0.14393.0 – < 10.0.14393.7428
Microsoft	Windows Server 2016 (Server Core installation)	10.0.14393.0 – < 10.0.14393.7428
Microsoft	Windows Server 2019	10.0.17763.0 – < 10.0.17763.6414
Microsoft	Windows Server 2019 (Server Core installation)	10.0.17763.0 – < 10.0.17763.6414
Microsoft	Windows Server 2022	10.0.20348.0 – < 10.0.20348.2762
microsoft	windows server 2022 23h2	< 10.0.25398.1189
Microsoft	Windows Server 2022, 23H2 Edition (Server Core installation)	10.0.25398.0 – < 10.0.25398.1189
microsoft	windows server 23h2	10.0.25398.0 – < 10.0.25398.1189

References and patches

Windows MSHTML Platform Spoofing Vulnerability vendor-advisorypatchPatchVendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-43573 US Government Resource

CPE matches (NVD) (21)

cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x64:* < 10.0.10240.20796
cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:x86:* < 10.0.10240.20796
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.7428
cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.7428
cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:* < 10.0.17763.6414
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* < 10.0.19044.5011
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* < 10.0.19044.5011
cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* < 10.0.19044.5011
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* < 10.0.19045.5011
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* < 10.0.19045.5011
cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* < 10.0.19045.5011
cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:* < 10.0.22000.3260
cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:* < 10.0.22621.4317
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* < 10.0.22631.4317
cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* < 10.0.22631.4317
cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:* < 10.0.26100.2033
cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:x64:*
cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* < 10.0.14393.7428
cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.6414
cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.2762
cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.1189

CVSS score

6.5Medium

Source: microsoft · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:F/RL:O/RC:C

All scores (3)

cna	CVSS 3.1	6.5Medium
secure@microsoft.com	CVSS 3.1	6.5Medium
nvd	CVSS 3.1	8.1High

EPSS (chance of exploitation in 30 days)

46.11%

higher than 99% of all CVEs

CISA assessment (SSVC)

Exploitation: active
Automatable: no
Technical impact: partial

Timeline

ID reserved2024-08-14
Published2024-10-08 20:35
Reached IP-DB2026-10-24 23:30
Added to KEV2024-10-08
Last updated2026-08-19 19:26

Assigned by (CNA): microsoft
NVD status: Analyzed

View at source: CVE.org · NVD

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