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HIGH

CVE-2026-78860

Local Code Execution via Plaintext Storage in Mercusys AC12 V2

CVSS v3

7.8

HIGH

EPSS Score

—

exploit probability

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the storage of information in plaintext

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
2026-10-05
Last Modified
2026-10-06

Frequently asked questions

What is CVE-2026-78860?

An issue in Mercusys AC12 V2 allows a local attacker to execute arbitrary code via the storage of information in plaintext

Is CVE-2026-78860 actively exploited?

Active exploitation of CVE-2026-78860 has not been confirmed.

What is the CVSS score for CVE-2026-78860?

CVE-2026-78860 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is CVE-2026-78860 affecting your environment?

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