Affects widely used Control-M scheduling products; authenticated deserialization could disrupt IT ops.
CVE-2026-10538
Authenticated deserialization in Control-M Messaging may trigger server-side behavior.
Is CVE-2026-10538 being exploited?
Not confirmed. CVE-2026-10538 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.42% probability of exploitation in the next 30 days.
How severe is CVE-2026-10538?
CVE-2026-10538 is rated High with a CVSS score of 8.9. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-10538?
Not known from our data. No patch reference has been recorded for CVE-2026-10538, which is not the same as no patch existing — a fix may have shipped without a tagged reference, or after this record was written. The vendor advisory is the only authority on whether a fix exists, and mitigations may be available regardless.
What does CVE-2026-10538 affect?
CVE-2026-10538 affects Control-M/Server 9.0.20.x (out of support), Control-M/Enterprise Manager 9.0.20.x (out of support), Potential earlier versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-10538?
Upgrade to supported versions and apply patch when released.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can trigger unintended server-side actions via crafted serialized data.
Monitor only
- affected>= 9.0.20 and < 9.0.21
- affected>= 9.0.20 and < 9.0.21
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.