Actively exploited in the wild
Microsoft Internet Explorer Resource Management Errors Vulnerability
Microsoft - Internet Explorer · Listed in the CISA KEV since 2025-08-12. This indicates confirmed attacks in production environments.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CVE-2013-3893
HighCVSS 8.8KEVSummary
Podatność typu use-after-free w implementacji SetMouseCapture w mshtml.dll w Microsoft Internet Explorer od wersji 6 do 11 umożliwia zdalnym atakującym wykonanie dowolnego kodu za pomocą spreparowanych ciągów JavaScript. Przykładem jest użycie adresu URL ms-help:, który wywołuje załadowanie hxds.dll.
Risk Assessment
Wykorzystanie tej podatności może prowadzić do zdalnego wykonania kodu, co stwarza poważne zagrożenie dla bezpieczeństwa systemów korzystających z Internet Explorera. Atakujący mogą przejąć kontrolę nad systemem ofiary.
Recommendation
Zaleca się aktualizację przeglądarki Internet Explorer do najnowszej wersji oraz rozważenie zastosowania alternatywnych przeglądarek, aby zminimalizować ryzyko związane z tą podatnością.
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Original NVD description (English source)
Use-after-free vulnerability in the SetMouseCapture implementation in mshtml.dll in Microsoft Internet Explorer 6 through 11 allows remote attackers to execute arbitrary code via crafted JavaScript strings, as demonstrated by use of an ms-help: URL that triggers loading of hxds.dll.

