CVE-2026-17007

Data exposure and service interruption via out-of-bounds read

Published Aug 20, 2026 · Updated Aug 20, 2026

Out-of-bounds read in IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1 allows local users to read sensitive data or interrupt service. IBM has not disclosed the affected component or how it performs the out-of-bounds memory read. Exploitation requires high local privileges and can expose sensitive memory or crash an affected logical partition.

CVSS severity6.7
Medium
EPSS probability0.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Out-of-bounds read in IBM AIX 7.2 and 7.3 and PowerVM VIOS 4.1 allows local users to read sensitive data or interrupt service. IBM has not disclosed the affected component or how it performs the out-of-bounds memory read. Exploitation requires high local privileges and can expose sensitive memory or crash an affected logical partition.

The record

CVE
CVE-2026-17007
Published
Aug 20, 2026
Updated
Aug 20, 2026
Vendor
IBM
Product
AIX
Classifications
CWE-125, T1499.004
Attack vector
local
Privileges
admin

Timeline

How it unfolded

  1. Aug 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=7.2
  2. Affected versionversion=7.3

What conditions does exploitation require?

Attack vectorlocal
Required privilegesadmin

What is affected?

IBM · AIXversion=7.2; version=7.3
IBM · PowerVM Virtual I/O Serverversion=4.1

Published CVSS scores

6.7IBMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-125Out-of-bounds Read
T1499.004Endpoint Denial of Service: Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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