CVE-2026-16827
CVE-2026-16827 is a medium-severity vulnerability in Ibm Aix with a CVSS 3.x base score of 5.9. 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-908.
Key facts
- Severity: Medium (CVSS 3.x base score 5.9)
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-908
- 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 cause a denial of service due to the use of an uninitialized stack pointer.
Frequently asked questions
- What is CVE-2026-16827?
- IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to the use of an uninitialized stack pointer.
- How severe is CVE-2026-16827?
- CVE-2026-16827 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-16827 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-16827?
- CVE-2026-16827 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-2026-16827?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-16827 published?
- CVE-2026-16827 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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Browse all CWE-908 (Use of Uninitialized Resource) vulnerabilities →