Review reviewHigh
CVE-2026-10535
IBM Db2
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
- EPSS
- 0.11% 1.62% percentile
- CISA KEV
- Not listed
- Published
- 2026.07.31
Review review
The CVSS severity warrants an early asset and exposure review.
Known exploitationNot established by KEV
Exploit probability0.11%
Technical severityCVSS 8.4
Vulnerability overview
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.
Affected product and versions
- Product
- IBM Db2
- Affected versions
- >= 11.5.0 <= 11.5.9, >= 12.1.0 <= 12.1.4
- Fixed versions
- No verified fixed-version field is available yet
Recommended response sequence
Confirm exposure before applying a vendor-supported change.
- 1Identify
Confirm that IBM Db2 and an affected version are present.
- 2Prioritize
Combine exploitation signals with asset exposure and business criticality.
- 3Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
- 4Verify
Recheck the version, service health, access paths, and relevant logs.
Technical data
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-121