How severe is CVE-2026-79833?

CVE-2026-79833 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-79833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-79833?

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-2026-79833 published?

CVE-2026-79833 was published on 2026-10-15.

CVE-2026-79833

CVE-2026-79833 is a high-severity vulnerability with a CVSS 3.x base score of 7.5. 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-248.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-248
Published: 2026-10-15
Last modified: 2026-10-15

Description

A vulnerability in HPE NonStop ANSI SQLUTIL may allow a remote unauthenticated actor to cause an affected service to terminate unexpectedly, causing a denial of service.

Frequently asked questions

What is CVE-2026-79833?: A vulnerability in HPE NonStop ANSI SQLUTIL may allow a remote unauthenticated actor to cause an affected service to terminate unexpectedly, causing a denial of service.
How severe is CVE-2026-79833?: CVE-2026-79833 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-79833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-79833?: 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-2026-79833 published?: CVE-2026-79833 was published on 2026-10-15.

References

https://support.hpe.com/hpesc/public/docDisplay?docId=hpesbns05148en_us&docLocale=en_US

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