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High · 8.4 Public exploit CVE-2026-79298 EUVD-2026-81014GHSA-jq86-c7gv-8phh

An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitra…

Published Sep 16, 2026 · Updated Sep 17, 2026 · Assigned by mitre

Description

An issue in Howyar Technologies Inc SysReturn Versions prior to 11.3.034 and fixed in v.11.3.0.34 allows a local attcker to execute arbitrary code via the BOOTia32.efi and a crafted cloak32.dat file on the ESP.

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 2 repositories

  • TheMalwareGuardian/CVE-2026-79298 ★ 2 · Sep 11, 2026

    CVE-2026-79298 - Incomplete remediation of UEFI Secure Boot bypass in Howyar SysReturn. The IA-32 boot path (BOOTia32.efi) was never patched after CVE-2024-7344, shipping the same revoked custom PE l…

  • TheMalwareGuardian/UEFI-Security-Research-Howyar-SysReturn-NetCopy ★ 2 · Jun 15, 2026

    Post CVE-2024-7344 analysis of Howyar SysReturn NetCopy - reverse engineering notes, vulnerable binaries, vendor correspondence, and proof-of-concept tooling for CVE-2026-79298 (IA-32 Secure Boot byp…

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References