CVE-2025-36186: IBM Db2 privilege escalation

Published Nov 7, 2025
·
Updated

IBM Db2 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) under specific configurations could allow a local user to execute malicious code that escalate their privileges to root due to execution of unnecessary privileges operated at a higher than minimum level.

Other sources

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) under specific configurations could allow a local user to execute malicious code that escalate their privileges to root due to execution of unnecessary privileges operated at a higher than minimum level.

— IBM

Affected Software

5 affected components
IBM DB2>=12.1.0<=12.1.3
IBM Db2 Linux>=12.1.0<=12.1.3
IBM Db2 Unix>=12.1.0<=12.1.3
IBM Db2 Windows>=12.1.0<=12.1.3
IBM IBM® Db2®<=12.1.0 - 12.1.2

Remediation

Information

Remediation/Fixes Customers running any vulnerable affected level of an affected Program, V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent level for each impacted release: V12.1.2 and V12.1.3. They can be applied to any affected level of the appropriate release to remediate this vulnerability. Release Fixed in mod pack APAR Download URL V12.1 V12.1.3 DT445866 Special Build #70120 or later for V12.1.2 available at this link: https://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability. Note: After December 31, 2025, 11.1 and 10.5 versions of Db2 will not have security fixes made available as they will reach EoS.

Event History

Nov 7, 2025
CVE Published
via MITRE·06:40 PM
Data Sourced
via MITRE·06:40 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Feb 27, 2026
Data Sourced
via IBM·02:23 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-36186?

CVE-2025-36186 has been classified as a high-severity vulnerability due to the potential for local privilege escalation.

2

How do I fix CVE-2025-36186?

To mitigate CVE-2025-36186, ensure that all configurations of IBM Db2 are set to only grant necessary permissions and apply the latest security patches from IBM.

3

Who is affected by CVE-2025-36186?

CVE-2025-36186 affects users of IBM Db2 versions 12.1.0 through 12.1.3 on Linux, UNIX, and Windows platforms.

4

What type of vulnerability is CVE-2025-36186?

CVE-2025-36186 is classified as a local privilege escalation vulnerability that allows a user to execute malicious code with elevated privileges.

5

When was CVE-2025-36186 reported?

CVE-2025-36186 was reported as a security vulnerability affecting specific configurations of IBM Db2.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203