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Actively exploited · Published Sep 10, 2024 · Assigned by microsoft

CVE-2024-43461Windows MSHTML Platform Spoofing Vulnerability

High 8.8 Exploited

In plain English

A high-severity security flaw in Windows 10 Version 1507 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on September 16, 2024). The chance it is exploited in the next 30 days is estimated at 54.5% (higher than 99.0% of all known vulnerabilities). Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)54.5%top 1.0% of all CVEs
Exploited in the wildYesCISA KEV since Sep 16, 2024
Attack toolingNoneno public tooling known

CISA guidance

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Federal agencies must remediate by Oct 7, 2024.

Official description

Windows MSHTML Platform Spoofing Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.20766
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.7336
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.6293
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.4894
Microsoft Windows 10 Version 22H2 10.0.19045.0 – before 10.0.19045.4894
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.3197
Microsoft Windows 11 version 22H2 10.0.22621.0 – before 10.0.22621.4169
Microsoft Windows 11 version 22H3 10.0.22631.0 – before 10.0.22631.4169
Microsoft Windows 11 Version 23H2 10.0.22631.0 – before 10.0.22631.4169
Microsoft Windows 11 Version 24H2 10.0.26100.0 – before 10.0.26100.1742
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22870
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.27320
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.27320
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.22870
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.22870
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.25073
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.25073
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.22175
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.22175
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.7336
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.7336
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.6293
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.6293
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.2700
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – before 10.0.25398.1128

Weakness: CWE-451 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

References