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Luu, T.J.

🔥 This vulnerability is being actively exploited in the wild (CISA Known Exploited Vulnerabilities catalog)

CVE-2010-0806: Microsoft Internet Explorer Use-After-Free Vulnerability

infovulnerability🔥 Actively Exploited

security

Source: CISA Known Exploited VulnerabilitiesMay 19, 2026CVE-2010-0806

Summary

Microsoft Internet Explorer has a use-after-free vulnerability (a bug where code tries to access memory that has already been freed), which could let attackers run arbitrary code (any commands they choose) on a user's computer through specially crafted web content. The affected version is end-of-life (no longer supported by Microsoft), and this vulnerability is currently being exploited by real attackers.

Solution / Mitigation

Apply mitigations per vendor (Microsoft) instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vulnerability Details

EPSS (30-day exploit probability)

EPSS: 89.5%

Patch Available

Yes

Exploit Maturity

🔥 Actively Exploited

Disclosure Date

May 19, 2026

Classification

Attack SophisticationModerate

Taxonomy References

CWE (Weakness Type)

CWE-399

Monthly digest — independent AI security research

Original source: https://nvd.nist.gov/vuln/detail/CVE-2010-0806

First tracked: May 20, 2026 at 02:00 PM

Classified by LLM (prompt v3) · confidence: 95%