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CVE-2026-16873 Details

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to achieve local privilege escalation due to an out-of-bounds write.

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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URL	Source(s)	Tag(s)
https://www.ibm.com/support/pages/node/7283858	[email protected]	PatchVendor Advisory

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Product	Versions
ibm vios	>= 4.1.0, < 4.1.0.50 >= 4.1.1.0, < 4.1.1.30 >= 4.1.2.0, < 4.1.2.20
CPE cpe:2.3:a:ibm:vios:::::::: Remediation No remediation found in references.
ibm aix	>= 7.2.5, <= 7.2.5.212 >= 7.3.2, <= 7.3.2.5 >= 7.3.3, <= 7.3.3.2 >= 7.3.4, <= 7.3.4.1
CPE cpe:2.3:o:ibm:aix:::::::: Remediation No remediation found in references.

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