What is CVE-2026-76587?

CVE-2026-76587 is a high-severity vulnerability in IBM Planning Analytics, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-10-20.

How severe is CVE-2026-76587?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in IBM Planning Analytics

CVE-2026-76587

IBM Planning Analytics 2.0 and 2.1 are vulnerable to a stack-based buffer overflow, caused by improper bounds checking. An attacker could overflow the buffer and execute arbitrary code on the system.

Vulnerability class: Buffer Overflow

Published 2026-10-20 · last modified 2026-10-21.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

IBM Planning Analytics — versions 2.0, 2.1

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

www.ibm.com/support/pages/node/7291604 (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-76587?: CVE-2026-76587 is a high-severity vulnerability in IBM Planning Analytics, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-10-20.
How severe is CVE-2026-76587?: High severity. CVSS v3 base score is 8.8 out of 10.