Critical severity · published Jul 17, 2026
CVE-2026-13473
IBM Storage Protect Client is vulnerable to Heap-Based Buffer Overflow
9.8
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 52% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SP
Storage Protect Client · IBM
8.1.0.0 through 8.1.27.0, 8.1.27.1; 8.2.0.0 through 8.2.1.0 · source: vendor
SP
Storage Protect · Ibm
8.1 before 8.2.1.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-13473
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-13473
Vendor Advisory
https://www.ibm.com/support/pages/node/7279728
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