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CVE-2010-0249: Microsoft Internet Explorer

Status: KEV  |  Advisory ID: CVE-2010-0249

Key Details

CVECVE-2010-0249
Affected productsMicrosoft Internet Explorer
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-416 (Use After Free)
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-05-20.
Exploitation prediction (EPSS)92% probability of exploitation in the next 30 days (100% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline2026-06-03 (CISA KEV, Binding Operational Directive).

What to Know

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.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2010-0249