CVE-2026-0774

High

Published: 23 January 2026

Published

23 January 2026

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score v3 8.8 CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0066 47.0th percentile

Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-0774 is a high-severity Argument Injection (CWE-88) vulnerability in Zerodayinitiative (inferred from references). Its CVSS base score is 8.8 (High).

Operationally, ranked at the 47.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2026-4474

Vulnerability details

WatchYourLAN Configuration Page Argument Injection Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of WatchYourLAN. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the…

arpstrs parameter. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-26708.