CVE-2026-14266

Katalog CVE

CVSS 7.8 · High EPSS 0,74%

Kerentanan Heap-based Buffer Overflow pada 7-zip. Skor CVSS 3.1 7.8 (High) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

29 Juli 2026

Terakhir diubah

7 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

7.8 (High), sumber NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-122: Heap-based Buffer Overflow

EPSS (30 hari)

0,74% peluang dieksploitasi; lebih tinggi dari 53,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://www.zerodayinitiative.com/advisories/ZDI-26-444/ advisory pihak ketiga · vdb entry
• http://www.openwall.com/lists/oss-security/2026/07/17/12 mailing list · advisory pihak ketiga