Risk Letters

Exploited vulnerability

CVE-2010-3962

TLP:CLEAR

Microsoft Internet Explorer Uninitialized Memory Corruption Vulnerability

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

Facts

  • Vendor: Microsoft
  • Product: Internet Explorer
  • CVSS: 8.1
  • EPSS (probability of exploitation within 30 days): 96.8 %
  • On CISA's Known Exploited Vulnerabilities list since: 6 October 2025
  • First known exploitation: 6 October 2025
  • CISA's deadline for US federal agencies: 27 October 2025
  • First seen by Risk Letters: 6 October 2025

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Data: NVD (public domain), CISA KEV, FIRST EPSS, MITRE ATT&CK, AlienVault OTX. NVD