Cyber Resilience

CVE-2026-44073

Published
21 May 2026
Modified
23 July 2026
CVSS Score v3.1 5.0
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0028 20th percentile
Risk Priority 39 floored blend · peak EPSS

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 Access Token Manipulation (T1134); ranked at the 20th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to AC-6 (Least Privilege) — see the control section below for these in your framework.

EU & UK References

Vulnerability Data

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)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1134 Access Token Manipulation Stealth
Adversaries may modify access tokens to operate under a different user or system security context to perform actions and bypass access controls.
T1548 Abuse Elevation Control Mechanism Privilege Escalation
Adversaries may circumvent mechanisms designed to control privilege elevation to gain higher-level permissions.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-27396Shared CWE-273
CVE-2023-5369Shared CWE-273
CVE-2023-34322Shared CWE-273
CVE-2023-0657Shared CWE-273
CVE-2023-26239Shared CWE-273
CVE-2026-0099Shared CWE-273
CVE-2011-2921Shared CWE-273
CVE-2024-25420Shared CWE-273
CVE-2025-1003Shared CWE-273
CVE-2026-60085Shared CWE-273

Affected Assets

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

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

Employing least privilege requires that privilege-dropping operations succeed and are verified before continuing.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC activities (code review, static analysis, testing) catch missing or incorrect privilege-drop checks, but eliminating only this one flaw covers only a fraction of the control's broader intent.

PR.AA-05 partial match
prevents

Least-privilege policy and enforcement directly motivate privilege-dropping code, yet the control does not address implementation-level verification of the drop.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing can detect failed privilege drops, yet the control does not require such checks as part of its core intent.

degrades

Control of privileged utility programs includes ensuring privilege-dropping operations are verified before use.

degrades

Privileged access rights policy requires verification that privilege changes succeed, directly addressing failed privilege drops.

prevents

Secure coding practices can prevent missing privilege-drop checks, but the control itself does not mandate verification of privilege changes.

References