CVE-2026-10535: 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.

highCVSS 8.4CVE-2026-10535

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.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 8.4
Published: 2026-07-30
Last updated: 2026-07-31
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-10535

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-105350.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-10535	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEU] [hoch] IBM DB2: Mehrere Schwachstellencert-bund

Recent advisories for IBM Db2

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

high[NEU] [hoch] IBM DB2: Mehrere Schwachstellencert-bund · 2026-07-31
mediumCVE-2026-10695: IBM Db2 12.1.0 through 12.1.4 federated server is vulnerable to a denial of service when runni…nvd · 2026-07-30
medium[NEW] [medium] IBM DB2: Multiple vulnerabilitiescert-bund · 2026-07-20
mediumCVE-2026-7771: IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a trap when compiling…nvd · 2026-07-17
mediumCVE-2026-14501: IBM Db2 Genius Hub 1.1, 1.1.1, 1.1.2 and IBM Agentics 1.0 could allow an attacker to execute a…nvd · 2026-07-17
highCVE-2026-9762: IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to remote code execution…nvd · 2026-07-17