CVE-2013-3893VulnerabilityPublished 08/12/2025Updated 10/24/2026
CVE-2013-3893: Microsoft Internet Explorer Resource Management Errors Vulnerability
Affects Microsoft Internet ExplorerSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 08/12/2025
- KEV deadline
- 09/02/2025
- EPSS
- 87.6% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA 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.
Description
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.