CVE-2026-44049

High

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 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0052 39.7th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-44049 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Netatalk (inferred from references). Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation of Remote Services (T1210); ranked at the 39.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-31224

Vulnerability details

An out-of-bounds write due to improper null termination in convert_charset() in Netatalk 2.0.4 through 4.4.2 allows a remote authenticated attacker to execute arbitrary code or cause a denial of service via crafted character data.

CWE(s): CWE-787

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1210 Exploitation of Remote Services Lateral Movement

Adversaries may exploit remote services to gain unauthorized access to internal systems once inside of a network.

attack.mitre.org →

T1068 Exploitation for Privilege Escalation Privilege Escalation

Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.

attack.mitre.org →

Why these techniques?

Out-of-bounds write enabling authenticated RCE in Netatalk remote file service directly maps to exploitation of remote services and privilege escalation.

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