How severe is CVE-2026-16693?

CVE-2026-16693 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-16693 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-16693?

CVE-2026-16693 primarily affects Ibm I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-16693?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-16693 published?

CVE-2026-16693 was published on 2026-09-04 and last updated on 2026-09-08.

CVE-2026-16693

CVE-2026-16693 is a medium-severity vulnerability in Ibm I with a CVSS 3.x base score of 4.4. 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-327.

Key facts

Severity: Medium (CVSS 3.x base score 4.4)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-327
Affected product: Ibm I
Published: 2026-09-04
Last modified: 2026-09-08

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to the use of hardcoded cryptographic constants to obfuscate encryption keys.

Frequently asked questions

What is CVE-2026-16693?: IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to the use of hardcoded cryptographic constants to obfuscate encryption keys.
How severe is CVE-2026-16693?: CVE-2026-16693 has a CVSS 3.x base score of 4.4, rated medium severity. It is exploitable over local access with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-16693 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-16693?: CVE-2026-16693 primarily affects Ibm I. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-16693?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-16693 published?: CVE-2026-16693 was published on 2026-09-04 and last updated on 2026-09-08.

References

https://www.ibm.com/support/pages/node/7285846

Affected products (4)

cpe:2.3:o:ibm:i:7.3:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.4:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.5:*:*:*:*:*:*:*
cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*

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CVE-2026-16860 — Critical (CVSS 9.9): IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to an…
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