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High 8.4Published Jul 30, 2026

CVE-2026-10535IBM® Db2® is vulnerable to buffer overflow in setgid helper db2flacc which can lead to privilege escalation and instance compromise from an unprivileged shell

Updated under an hour ago ()

Does this affect you?

It affects IBM Db2. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to buffer overflow in setgid helper db2flacc.

CVSS
8.4 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-121
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
ibm
NVD analysis
Analyzed
Record last updated
Jul 30, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
IBM Db2
ibm:db2
from 11.5.0 through 11.5.9; from 12.1.0 through 12.1.4
CNA record
ibm db2
ibm:db2
from 11.5.0 through 11.5.9; from 12.1.0 before 12.1.5
NVD

References

References

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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