Windows MSHTML Platform Spoofing Vulnerability
CVE-2024-38112 is a vulnerability in the Windows MSHTML platform that Microsoft classified as a spoofing issue, but multiple cited reports describe it as being exploited via the MHTML/MSHTML handling path to access and execute attacker-controlled files through the disabled-but-present Internet Explorer components on Windows. Public reporting indicates the exploit chain abused specially crafted .URL internet shortcut files, the MHTML protocol handler, and x-usc directives to invoke Internet Explorer/MSHTML and retrieve a malicious HTA/HTML payload, leading to execution of subsequent script and malware stages. The issue was exploited in the wild as a zero-day by the Void Banshee threat actor to deliver Atlantida stealer. Microsoft patched the issue in July 2024; reporting states the fix broke the attack chain by unregistering the MHTML handler from Internet Explorer.
Are you exposed to this one?
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Windows MSHTML vulnerability previously exploited as a zero-day (July 2024) and referenced as similar to CVE-2024-43573.
A vulnerability exploited (in an attack chain with CVE-2024-43461) to deliver Atlantida stealer malware; patched by Microsoft in July 2024.
A zero-day vulnerability in Internet Explorer's MSHTML engine that allows access and execution of files, exploited by threat actors to deploy information-stealing malware.
A zero-day MSHTML remote code execution vulnerability in Windows that allowed attackers to abuse the MHTML protocol handler and x-usc directives via .URL files to access the disabled Internet Explorer process and execute malicious content.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.