CVE-2026-14266: 7-Zip Heap Overflow Flaw Can Lead to Remote Code Execution

Key Takeaways

• A newly disclosed heap-based buffer overflow flaw in 7-Zip (CVE-2026-14266) has raised fresh concerns about malicious archive handling and user-driven exploitation.
• The issue is especially important because 7-Zip remains one of the most widely used file archiving tools across enterprise and personal environments.