How severe is CVE-2026-32991?

CVE-2026-32991 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.

Is CVE-2026-32991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-32991?

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.

Does CVE-2026-32991 have an EU (EUVD) identifier?

Yes. CVE-2026-32991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30205.

When was CVE-2026-32991 published?

CVE-2026-32991 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-32991

CVE-2026-32991 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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-863.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30205
Weakness: CWE-863
Published: 2026-05-13
Last modified: 2026-06-17

Description

Improper authorization checks of team members privileges allow a team member to escalate privileges to the team owner account.

Frequently asked questions

What is CVE-2026-32991?: Improper authorization checks of team members privileges allow a team member to escalate privileges to the team owner account.
How severe is CVE-2026-32991?: CVE-2026-32991 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity high, and availability none.
Is CVE-2026-32991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-32991?: 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.
Does CVE-2026-32991 have an EU (EUVD) identifier?: Yes. CVE-2026-32991 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30205.
When was CVE-2026-32991 published?: CVE-2026-32991 was published on 2026-05-13 and last updated on 2026-06-17.

References

https://support.cpanel.net/hc/en-us/articles/40437254183959-Security-CVE-2026-32991-cPanel-WHM-WP2-Security-Update-May-13-2026

Other CWE-863 (Incorrect Authorization) vulnerabilities

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CVE-2026-33105 — Critical (CVSS 10.0): Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over…
CVE-2026-32213 — Critical (CVSS 10.0): Improper authorization in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.

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