What is CVE-2026-13473?

CVE-2026-13473 is a high-severity vulnerability in IBM Storage Protect, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-07-17.

How severe is CVE-2026-13473?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in IBM Storage Protect

CVE-2026-13473

IBM Storage Protect Client 8.1.0.0 through 8.1.27.0, 8.1.27.1, and 8.2.0.0 through 8.2.1.0 IBM Storage Protect is vulnerable to a heap-based buffer overflow, caused by improper bounds checking. A remote attacker could overflow a buffer and execute arbitrary code on the system or cause the server to crash.

Vulnerability class: Buffer Overflow

EPSS: 0.005 (38.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Storage_protect
Ibm Storage Protect Client — versions 8.1.0.0, 8.2.0.0
Microsoft Windows

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-13473?: CVE-2026-13473 is a high-severity vulnerability in IBM Storage Protect, classified under Heap-based Buffer Overflow. CVSS score: 8.1/10. Published 2026-07-17.
How severe is CVE-2026-13473?: High severity. CVSS v3 base score is 8.1 out of 10.