CVE-2026-14266highCWE-122

CVE-2026-14266: fallo de gravedad alta en 7-Zip

7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability

Publicada el · Actualizada el

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41Vexday Risk Score

Sin señal de explotación. Ella tiene prueba de concepto pública.

ssvc Attendcvss 7epss 0.7%
de la publicación al armael mismo día
Publicada en NVD29 jul
1ª PoC17 jul
7-Zip XZ Decompression Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of XZ chunked data. Crafted XZ-compressed data can trigger an overflow of a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-30169.
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Productos afectados
7-Zip · 7-Zip
⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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