CVE-2026-44602

Low

Published: 07 May 2026

Published

07 May 2026

Modified

08 May 2026

KEV Added

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Patch

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CVSS Score 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Score 0.0006 17.1th percentile

Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-44602 is a low-severity NULL Pointer Dereference (CWE-476) vulnerability in Torproject Tor. Its CVSS base score is 3.7 (Low).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 17.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Application or System Exploitation (T1499.004).

Threat & Defense Details

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact

Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.

attack.mitre.org →

Why these techniques?

NULL pointer dereference in Tor protocol handling directly enables remote crash/DoS via crafted CERT cells, matching application exploitation for endpoint denial of service.

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