CVE-2010-0249 added to CISA KEV: Microsoft Internet Explorer
Status: ✅ Confirmed exploited in the wild
Date added: 2026-05-20
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 date: 2026-06-03
Why this matters
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). Users should discontinue product utilization.
Sources
Lyrie Verdict
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