CVE-2026-16852: CWE-190 Integer Overflow or Wraparound in IBM AIX
IBM AIX versions 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, contain an integer overflow vulnerability that could be exploited remotely to cause a denial of service. The vulnerability is identified as CWE-190 and has a CVSS 3.1 score of 7.5, indicating high severity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
CVE-2026-16852 is an integer overflow or wraparound vulnerability (CWE-190) affecting IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. This flaw could allow a remote attacker to trigger a denial of service condition by exploiting the integer overflow. The vulnerability has a CVSS 3.1 base score of 7.5, reflecting high severity due to its remote attack vector and impact on availability. No vendor advisory or patch information is currently provided, and no active exploitation has been reported.
Potential Impact
A remote attacker can cause a denial of service on affected IBM AIX and PowerVM VIOS systems by exploiting the integer overflow vulnerability. The integrity and confidentiality of the system are not impacted, but availability is severely affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM's security advisories for updates. No specific temporary mitigations are documented.
CVE-2026-16852: CWE-190 Integer Overflow or Wraparound in IBM AIX
Description
IBM AIX versions 7.2 and 7.3, along with IBM PowerVM VIOS 4.1, contain an integer overflow vulnerability that could be exploited remotely to cause a denial of service. The vulnerability is identified as CWE-190 and has a CVSS 3.1 score of 7.5, indicating high severity. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.5high
Affected software
cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-16852 is an integer overflow or wraparound vulnerability (CWE-190) affecting IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. This flaw could allow a remote attacker to trigger a denial of service condition by exploiting the integer overflow. The vulnerability has a CVSS 3.1 base score of 7.5, reflecting high severity due to its remote attack vector and impact on availability. No vendor advisory or patch information is currently provided, and no active exploitation has been reported.
Potential Impact
A remote attacker can cause a denial of service on affected IBM AIX and PowerVM VIOS systems by exploiting the integer overflow vulnerability. The integrity and confidentiality of the system are not impacted, but availability is severely affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM's security advisories for updates. No specific temporary mitigations are documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T03:24:17.373Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a860991acd9273b498b4c2d
Added to database: 08/19/2026, 19:52:49 UTC
Last enriched: 08/19/2026, 20:08:39 UTC
Last updated: 08/20/2026, 00:33:53 UTC
Views: 5
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