How severe is CVE-2026-22536?

CVE-2026-22536 has a CVSS 4.0 base score of 8.6, rated high severity.

Is CVE-2026-22536 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.

How do I fix CVE-2026-22536?

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-2026-22536 have an EU (EUVD) identifier?

Yes. CVE-2026-22536 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1203.

When was CVE-2026-22536 published?

CVE-2026-22536 was published on 2026-01-07 and last updated on 2026-06-17.

CVE-2026-22536

CVE-2026-22536 is a high-severity vulnerability with a CVSS 4.0 base score of 8.6. 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-269.

Key facts

Severity: High (CVSS 4.0 base score 8.6)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1203
Weakness: CWE-269
Published: 2026-01-07
Last modified: 2026-06-17

Description

The absence of permissions control for the user XXX allows the current configuration in the sudoers file to escalate privileges without any restrictions

Frequently asked questions

What is CVE-2026-22536?: The absence of permissions control for the user XXX allows the current configuration in the sudoers file to escalate privileges without any restrictions
How severe is CVE-2026-22536?: CVE-2026-22536 has a CVSS 4.0 base score of 8.6, rated high severity.
Is CVE-2026-22536 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.
How do I fix CVE-2026-22536?: 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-2026-22536 have an EU (EUVD) identifier?: Yes. CVE-2026-22536 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1203.
When was CVE-2026-22536 published?: CVE-2026-22536 was published on 2026-01-07 and last updated on 2026-06-17.

References

https://cds.thalesgroup.com/en

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