Cyber Resilience

CVE-2026-44073

Medium

Published: 21 May 2026

Published
21 May 2026
Modified
21 May 2026
KEV Added
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Patch
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CVSS Score v3.1 5.0 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0011 29.7th percentile
Risk Priority 10 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-44073 is a medium-severity Improper Check for Dropped Privileges (CWE-273) vulnerability in Netatalk (inferred from references). Its CVSS base score is 5.0 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 29.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions.

CWE(s)
CWE-273

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
attack.mitre.org →
Why these techniques?

Failure to check seteuid() return value enables retention of elevated privileges, directly facilitating exploitation for privilege escalation (T1068).

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

Affected Assets

Netatalk
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References