VulnerabilityALERT High

CVE-2010-0249: Microsoft Internet Explorer Use-After-Free Vulnerability

Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code by accessing a pointer associated with a deleted object. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS...

Impact

CISA lists CVE-2010-0249 as known exploited in the wild for Microsoft Internet Explorer. Ransomware campaign use: Unknown. Federal remediation due date: 2026-06-03.

Recommended 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.

Published: 5/20/2026, 12:00:00 AMSource: CISA Known Exploited Vulnerabilities CatalogTags: CVE-2010-0249, Microsoft, Internet Explorer, CISA KEV, CWE-416