CVE-2026-86093

highpriority · track · 30EPSS 0.004 · 39 %ileDEFRUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.45% (39th) EPSS

CVSS 7.5 · high

Is it mine?

26 products

Check your exposure

Who says so?

2 sources

cert_bund · certfr

EPSS · scored 2026-10-27

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack buffer without bounds checking.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5

v3.17.5highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · psirt@us.ibm.com USexploitability 1.6 · impact 5.9

v3.16.9mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-121US

affected products (26)

Products and version ranges known to be affected.

IBM DB2 V11.5 <APAR DT470425all versionscert_bundDE
IBM DB2 V11.5 <APAR DT472908all versionscert_bundDE
IBM DB2 V11.5 <APAR DT473191all versionscert_bundDE
IBM DB2 V11.5 <APAR DT474169all versionscert_bundDE
IBM DB2 V11.5 <APAR DT474170all versionscert_bundDE
IBM DB2 V11.5 <APAR DT495924all versionscert_bundDE
IBM DB2 V11.5 <APAR DT501357all versionscert_bundDE
IBM DB2 V12.1 <APAR DT472908all versionscert_bundDE
IBM DB2 V12.1 <APAR DT473191all versionscert_bundDE
IBM DB2 V12.1 <APAR DT474169all versionscert_bundDE
IBM DB2 V12.1 <APAR DT474170all versionscert_bundDE
IBM DB2 V12.1 <APAR DT495924all versionscert_bundDE
IBM DB2≤ V12.1 <APAR DT495924cert_bundDE
IBM DB2≤ V11.5 <APAR DT470425cert_bundDE
IBM DB2≤ V11.5 <APAR DT472908cert_bundDE
IBM DB2≤ V11.5 <APAR DT473191cert_bundDE
IBM DB2≤ V11.5 <APAR DT474169cert_bundDE
IBM DB2≤ V11.5 <APAR DT474170cert_bundDE
IBM DB2≤ V11.5 <APAR DT495924cert_bundDE
IBM DB2≤ V11.5 <APAR DT501357cert_bundDE

showing 20 of 26

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3308IBM DB2: Mehrere SchwachstellenDeutsch2026-09-10csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM DB2 ausnutzen, um beliebigen Programmcode auszuführen, beliebige Dateien zu schreiben, Daten zu manipulieren, sensible Informationen offenzulegen oder Denial-of-Service-Zustände zu verursachen.
CERTFR-2026-AVI-1336Multiples vulnérabilités dans les produits IBMFrançais2026-10-16vendor · certfrFR

sources

Which sources assert this record, and when.

cert_bund certfr NVD CVE.org MITRE

published 2026-09-10modified 2026-09-14

references (1) nvd

External citations — patches, advisories, analysis.

https://www.ibm.com/support/pages/node/7286993Vendor Advisory

scry

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