CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability

Added to the CISA Known Exploited Vulnerabilities catalog on 20 May 2026. Vendor: Microsoft. Product: Internet Explorer.

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) and/or end-of-service (EoS). Users should discontinue product utilization.

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. (due 03 Jun 2026)