Oct 19, 2026 · 13:49 UTC SEARCH
UNRATED KNOWN EXPLOITED
Vulnerability intelligence

CVE-2013-3893

VendorMicrosoft
ProductInternet Explorer
Known exploitedYes
Added to CISA KEVAugust 12, 2025
KEV due dateSeptember 2, 2025
Known ransomware useNot identified by CISA

Microsoft Internet Explorer contains a memory corruption vulnerability that allows for remote code execution. The impacted products could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.

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.

CISA KEV status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities Catalog. Known ransomware campaign use: Unknown.

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