VulnerabilityALERT High

CVE-2010-0806: 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 via vectors involving access to an invalid pointer after the deletion of an object. The impacted product could be end-of-life (EoL)...

Impact

CISA lists CVE-2010-0806 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-2010-0806, Microsoft, Internet Explorer, CISA KEV, CWE-399