CVE-2026-79298 Howyar Technologies Inc SysReturn - Remote Code Execution

Howyar Technologies Inc SysReturn < 11.3.034 contains a local code execution vulnerability caused by crafted cloak32.dat file on the ESP affecting BOOTia32.efi, letting local attackers execute arbitrary code.

CVSS base score 8.4 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
EPSS
0.19% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Remote Code Execution
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
16 September 2026
Updated
15 October 2026
Weakness
CWE-693

Vendor fix

Update to version 11.3.034 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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