EUVD-2026-62522
GHSA-jm22-p83h-gjg4
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
AV:L because local session access is required; PR:L as any standard user account suffices; full C/I/A because root compromise yields complete system control.
Primary rating from Vendor (ibm).
CVSS VectorVendor: ibm
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to gain elevated privileges due to improper privilege management.
AnalysisAI
Local privilege escalation in IBM AIX 7.2 and 7.3, and IBM PowerVM VIOS 4.1 allows an authenticated low-privileged user to gain full elevated privileges due to improper privilege management (CWE-269). The CVSS vector (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms that any standard local user account is sufficient to trigger the flaw with low complexity and no user interaction, resulting in complete confidentiality, integrity, and availability compromise of the affected system. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The CVSS vector (AV:L/PR:L) confirms two concrete prerequisites: the attacker must have a valid low-privileged user account on the target system, and must be able to execute code locally (via SSH session, physical console, or equivalent interactive access). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 High rating is well-supported by the vector components: AV:L limits exposure to users who already have local interactive access (physical console, SSH, or equivalent), which meaningfully reduces the attack surface compared to a network-exploitable flaw. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker with a low-privileged local account - obtained through credential theft, lateral movement, or a shared development environment - authenticates to a vulnerable IBM AIX 7.2/7.3 or PowerVM VIOS 4.1 system via SSH or console. The attacker invokes the vulnerable privilege management path (specific binary or syscall not disclosed), escalating their effective privileges to root with no additional user interaction required. … |
| Remediation | Apply the vendor-released patch per the IBM Security Advisory at https://www.ibm.com/support/pages/node/7283858. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify and inventory all IBM AIX 7.2, 7.3, and PowerVM VIOS 4.1 systems in the environment and audit local user accounts with shell access. …
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
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