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CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability
Microsoft Internet Explorer · in CISA KEV since 2026-05-20
2026-05-20added to KEV
2026-06-03federal remediation due date
82.17%EPSS exploit probability (30 days) 99.6th percentile
8.8 HIGHCVSS 3.1
Unknownknown ransomware use
5,915days from NVD publication to KEV
What it is
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.
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.
| CWE | CWE-399 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD published | 2010-03-10 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2010-0806.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.