How severe is CVE-2016-10750?

CVE-2016-10750 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-10750 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-10750?

CVE-2016-10750 affects Hazelcast. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-10750?

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-2016-10750 published?

CVE-2016-10750 was published on 2019-05-22 and last updated on 2026-06-17.

CVE-2016-10750

CVE-2016-10750 is a high-severity vulnerability in Hazelcast with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v2: 6.8
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Hazelcast
Published: 2019-05-22
Last modified: 2026-06-17

Description

In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.

Frequently asked questions

What is CVE-2016-10750?: In Hazelcast before 3.11, the cluster join procedure is vulnerable to remote code execution via Java deserialization. If an attacker can reach a listening Hazelcast instance with a crafted JoinRequest, and vulnerable classes exist in the classpath, the attacker can run arbitrary code.
How severe is CVE-2016-10750?: CVE-2016-10750 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-10750 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-10750?: CVE-2016-10750 affects Hazelcast. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-10750?: 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-2016-10750 published?: CVE-2016-10750 was published on 2019-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:hazelcast:hazelcast:*:*:*:*:*:*:*:*

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