High severity · published Aug 13, 2026
CVE-2026-17272
IBM i is Affected By a Denial of Service in HTTP Server []
7.5
CVSS
0.5%
EPSS
No
On KEV
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a buffer overflow.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
I
i · IBM
7.6; 7.5; 7.4; 7.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-17272
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-17272
Vendor Advisory
https://www.ibm.com/support/pages/node/7283295
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