CVE-2010-0249 — Microsoft Internet Explorer Use-After-Free Vulnerability
CVE-2010-0249: Microsoft Internet Explorer Use-After-Free Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Microsoft |
| Product | Internet Explorer |
| Date added | 2026-05-20 |
| Due date | 2026-06-03 |
| Ransomware campaign use | Unknown |
Description
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notes
https://learn.microsoft.com/en-us/security-updates/SecurityAdvisories/2010/979352 ; https://nvd.nist.gov/vuln/detail/CVE-2010-0249
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2010-0249
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog