CVE-2010-0249: Microsoft Internet Explorer Use-After-Free Vulnerability

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.

Remediation

Inventory every Microsoft Internet Explorer deployment, including staging.
No fixed version appears in the public sources yet. Check the references below and the vendor directly.
Review logs from before the change for signs of exploitation.

CISA required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

References

Advisoryhttps://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/979352
Advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2010-0249
Advisoryhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-002
Referencehttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6835
Referencehttps://exchange.xforce.ibmcloud.com/vulnerabilities/55642
Referencehttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2010-0249