Known Exploited Vulnerability: CVE-2010-0249

Microsoft Internet Explorer Use-After-Free Vulnerability

Catalog version: 2026.07.01 Date added: 2026-05-20 Due date: 2026-06-03 CISA catalog

Vendor: Microsoft

Product: Internet Explorer

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.

Known ransomware campaign use: Unknown

Notes: https://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/979352 https://nvd.nist.gov/vuln/detail/CVE-2010-0249

CWEs

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