How severe is CVE-2026-10543?

CVE-2026-10543 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2026-10543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-10543?

CVE-2026-10543 affects Ibm Db2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-10543?

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-2026-10543 published?

CVE-2026-10543 was published on 2026-08-12 and last updated on 2026-08-18.

CVE-2026-10543

CVE-2026-10543 is a high-severity vulnerability in Ibm Db2 with a CVSS 3.x base score of 8.2. 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-285.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Ibm Db2
Published: 2026-08-12
Last modified: 2026-08-18

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.

Frequently asked questions

What is CVE-2026-10543?: IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a specially crafted query.
How severe is CVE-2026-10543?: CVE-2026-10543 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2026-10543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-10543?: CVE-2026-10543 affects Ibm Db2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-10543?: 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-2026-10543 published?: CVE-2026-10543 was published on 2026-08-12 and last updated on 2026-08-18.

References

https://www.ibm.com/support/pages/node/7282949

Affected products (1)

cpe:2.3:a:ibm:db2:*:*:*:*:*:*:*:*

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