CVE-2010-0806VulnerabilityPublished 05/20/2026Updated 10/24/2026
CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability
Affects Microsoft Internet ExplorerSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 05/20/2026
- KEV deadline
- 06/03/2026
- EPSS
- 82.2% chance of exploitation in 30 days – higher than 99% of CVEs
What to do
CISA 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.
Description
Microsoft Internet Explorer contains an use-after-free vulnerability that could allow remote attackers to execute arbitrary code via vectors involving access to an invalid pointer after the deletion of an object. The impacted product could be end-of-life (EoL) and/or end-of-service (EoS). Users should discontinue product utilization.