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CVE-2011-0866

26
FAUCET Score

CVE-2011-0866 describes an unspecified vulnerability within the Java Runtime Environment (JRE) affecting Oracle Java SE 6 Update 25 and earlier, 5.0 Update 29 and earlier, and 1.4.2_31 and earlier, specifically on Windows systems. This flaw allows remote, untrusted Java Web Start applications or applets to compromise confidentiality, integrity, and availability through unknown vectors. With a CVSS score of 7.6, indicating high severity, the vulnerability is remotely exploitable with high attack complexity, leading to complete compromise of all three security pillars. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.4.2_31CPE matchmatch criteria
cpe:2.3:a:sun:jdk:*:*:*:*:*:*:*:*
1.4.2CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.4.2:*:*:*:*:*:*:*
1.4.2_1CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.4.2_1:*:*:*:*:*:*:*
1.4.2_2CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.4.2_2:*:*:*:*:*:*:*
1.4.2_3CPE matchmatch criteria
cpe:2.3:a:sun:jdk:1.4.2_3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.6HIGH

AV:N/AC:H/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.95%
Probability of exploitation in next 30 days
EPSS Percentile
85.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0295 is in the 44th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

oraclepatch availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2011-0866Critical

JDK: unspecified vulnerabilities fixed in 6u26 (Deployment, JRE)

Jun 7, 2011

References

lists.opensuse.org / opensuse-security-announce/2011-06/msg00003.html
lists.opensuse.org / opensuse-security-announce/2011-07/msg00003.html
lists.opensuse.org / opensuse-security-announce/2011-07/msg00009.html
lists.opensuse.org / opensuse-security-announce/2011-08/msg00001.html
lists.opensuse.org / opensuse-security-announce/2011-08/msg00002.html
lists.opensuse.org / opensuse-security-announce/2011-08/msg00022.html
lists.opensuse.org / opensuse-security-announce/2011-08/msg00025.html
marc.info
marc.info
marc.info
secunia.com / advisories/44930
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14011
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14545
ibm.com / developerworks/java/jdk/alerts
oracle.com / technetwork/topics/security/cpujuly2011-313328.html
oracle.com / technetwork/topics/security/javacpujune2011-313339.html
PatchVendor Advisory
us-cert.gov / cas/techalerts/TA11-201A.html
US Government Resource