CVE-2011-0866

CVE-2011-0866 is a high-severity vulnerability in Sun Jdk with a CVSS 2.0 base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 6 Update 25 and earlier, 5.0 Update 29 and earlier, and 1.4.2_31 and earlier, when running on Windows, allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Java Runtime Environment.

Frequently asked questions

What is CVE-2011-0866?
Unspecified vulnerability in the Java Runtime Environment (JRE) component in Oracle Java SE 6 Update 25 and earlier, 5.0 Update 29 and earlier, and 1.4.2_31 and earlier, when running on Windows, allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Java Runtime Environment.
How severe is CVE-2011-0866?
CVE-2011-0866 has a CVSS 2.0 base score of 7.6, rated high severity.
Is CVE-2011-0866 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-0866?
CVE-2011-0866 primarily affects Sun Jdk. In total, 173 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-0866?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2011-0866 published?
CVE-2011-0866 was published on 2011-06-14 and last updated on 2026-06-16.

References

Affected products (173)

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