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High CVSS 7.8

CVE-2026-16925

Ibm Vios

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local attacker to achieve privilege escalation due to improper authorization.

What this means

Exposure
Exploitable with local access to the machine, with an ordinary user account and with no action from the victim.
Impact
An attacker can read sensitive data, modify or destroy data and take the service offline.
Weakness
Authorisation is not checked in the right place, so a user acts outside their scope.
Likelihood
Its EPSS score stays low: nothing points to imminent exploitation, which is no reason to leave it unpatched.

What to doFold into the next patch cycle.

Read automatically from the CVSS vector, the weakness type (CWE) and the EPSS score. The technical description above remains the one published by NIST.

Published
20 August 2026
CVSS
7.8 (v3.1) CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
0.09% probability of exploitation within 30 days · above 0% of all CVEs
Weakness
CWE-285
Sources
nvd
References

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