CVE-2026-16848
CVE-2026-16848 is a high-severity vulnerability in Ibm Aix with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 0% (41st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-78
- Affected product: Ibm Aix
- Published:
- Last modified:
Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of shell metacharacters in DHCP options.
Frequently asked questions
- What is CVE-2026-16848?
- IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary commands due to improper neutralization of shell metacharacters in DHCP options.
- How severe is CVE-2026-16848?
- CVE-2026-16848 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-16848 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-16848?
- CVE-2026-16848 primarily affects Ibm Aix. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-16848?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-16848 published?
- CVE-2026-16848 was published on 2026-08-19 and last updated on 2026-08-24.
References
Affected products (2)
- cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
- cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
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