Affects widely used enterprise DB (IBM Db2); privilege escalation can lead to admin compromise and broad data/control impact.
CVE-2026-105465
Local privilege escalation in IBM Db2 when db2locssh enabled
Is CVE-2026-105465 being exploited?
Not confirmed. CVE-2026-105465 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 0.14% probability of exploitation in the next 30 days.
How severe is CVE-2026-105465?
CVE-2026-105465 is rated High with a CVSS score of 8.8. 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-2026-105465?
Not known from our data. No patch reference has been recorded for CVE-2026-105465, 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-2026-105465 affect?
CVE-2026-105465 affects IBM Db2 11.5.0–11.5.9, IBM Db2 12.1.0–12.1.5, db2locssh-enabled instances. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-105465?
Disable db2locssh, restrict DB access, and apply vendor update when available
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Local actor with DB2 instance access can escalate to DB/OS admin, enabling data exposure, modification, or full control.
Immediate action required
- affected>= 11.5.0 and <= 11.5.9
- affected>= 12.1.0 and <= 12.1.5
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.