CVE-2026-14266 | BDVDB-2026-353439 Detail

Description#

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.

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Exploit#

History#

1. Version 12026-07-29Record published in the CVE List.
2. Version 22026-07-30Most recent update recorded in the CVE List.