HIGHVulnerability
Verified
Global

CISA KEV: Microsoft Internet Explorer — Microsoft Internet Explorer Use-After-Free Vulnerability

·Source: CISA KEV

Updated:

Executive Summary

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.

Analysis

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. Added to CISA Known Exploited Vulnerabilities catalog on 2026-05-20. Remediation due: 2026-06-03.

Indicators of Compromise (1)

CVE (1)
CVE-2010-0249
NVDMITRE CVE
Source Attribution

Originally published by CISA KEV on May 20, 2026. Verified by: CISA.

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