How severe is CVE-2026-10538?

CVE-2026-10538 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-10538 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-10538?

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-2026-10538 published?

CVE-2026-10538 was published on 2026-07-01.

CVE-2026-10538

CVE-2026-10538 is a high-severity vulnerability with a CVSS 3.x base score of 8.0. 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 8.0)
CVSS v4: 8.9
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Published: 2026-07-01
Last modified: 2026-07-01

Description

Messaging consumer functionality allows deserialization of user-controlled data without sufficient restriction of allowed object types in the out of support Control-M/Server and Control-M/Enterprise Manager versions 9.0.20.x and potentially earlier. This issue may allow an authenticated attacker to trigger unintended server-side behavior through crafted serialized content.

Frequently asked questions

What is CVE-2026-10538?: Messaging consumer functionality allows deserialization of user-controlled data without sufficient restriction of allowed object types in the out of support Control-M/Server and Control-M/Enterprise Manager versions 9.0.20.x and potentially earlier. This issue may allow an authenticated attacker to trigger unintended server-side behavior through crafted serialized content.
How severe is CVE-2026-10538?: CVE-2026-10538 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-10538 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-10538?: 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-2026-10538 published?: CVE-2026-10538 was published on 2026-07-01.

References

https://bmcapps.my.site.com/casemgmt/sc_KnowledgeArticle?sfdcid=kA3cx000000GFKrCAO&type=Solution

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