CVE-2026-78404

Local privilege escalation through db2pd

Published Oct 12, 2026 · Updated Oct 12, 2026

Privilege escalation in IBM Db2 allows local users to gain elevated privileges through the db2pd utility on Linux and UNIX. For 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5, IBM withholds the faulty operation and triggering input. Low-privileged local access is required, and the published impact permits confidential-information disclosure.

CVSS severity6.5
Medium
EPSS probability0.13%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in IBM Db2 allows local users to gain elevated privileges through the db2pd utility on Linux and UNIX. For 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5, IBM withholds the faulty operation and triggering input. Low-privileged local access is required, and the published impact permits confidential-information disclosure.

The record

CVE
CVE-2026-78404
Published
Oct 12, 2026
Updated
Oct 12, 2026
Vendor
IBM
Product
Db2
Classifications
CWE-269, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 12, 2026CVE publishedPublication date reported by the CVE source.
  2. Oct 12, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=11.5.0 <=11.5.9
  2. Affected versionversion=12.1.0 <=12.1.5

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

IBM · Db2version=11.5.0 <=11.5.9; version=12.1.0 <=12.1.5

Published CVSS scores

6.5IBMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-269Improper Privilege Management
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

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Technologies

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