Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since August 12, 2025.
CVE-2013-3893
Microsoft Internet Explorer Resource Management Errors Vulnerability
Added to KEV August 12, 2025
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2013-3893
- CWE
- CWE-399
- Affected products
- Internet Explorer · Microsoft Internet Explorer · Microsoft
What happened
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.
What it means for your business
Microsoft Internet Explorer is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2013-3893). 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. CISA remediation due date: 2025-09-02. PremierePC tracks KEV alerts for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
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 due date: September 2, 2025
Sources
Related briefs
Microsoft PowerShell Security Feature Bypass vulnerability
Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
Microsoft Windows Cross Device Service Elevation of Privilege vulnerability
Microsoft Windows Cross Device Service Elevation of Privilege vulnerability (CVE-2026-66804) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
Windows iSCSI Target Service Remote Code Execution vulnerability
Windows iSCSI Target Service Remote Code Execution vulnerability (CVE-2026-65791) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
Microsoft Fabric Data Warehouse Remote Code Execution vulnerability
Microsoft Fabric Data Warehouse Remote Code Execution vulnerability (CVE-2026-56642) was added to Microsoft’s security update guidance. Updated the Security Updates table by removing an affected software entry. No user action is required. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.