Vulnerability Report

CVE-2025-67826

Title: Local Privilege Escalation in K7 Ultimate Security

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2025-67826.

CWE Category CWE-269

Published Date Dec 22, 2025

Modified Date Jan 02, 2026

Exploit Status Not Found

Score 7.7 CVSS v3.1

Exploit Probability (EPSS)

0.13%

Vulnerability Summary

CVE-2025-67826: An issue was discovered in K7 Ultimate Security 17.0.2045. A Local Privilege Escalation (LPE) vulnerability in the K7 Ultimate Security antivirus can be exploited by a local unprivileged user on default installations of the product. Insecure access to a named pipe allows unprivileged users to edit any registry key, leading to a full compromise as SYSTEM.

Impacted Vendors

k7computing 1

Reference Links

https://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-22nd-Dec-2025 https://www.k7computing.com/

CVSS v3.1

Source Entity 134c704f-9b21-4f2e-91b3-4a467353bcc0

Severity HIGH

7.7

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-67826 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

January 02, 2026 MODIFIED

Vulnerability data or affected products updated.

January 02, 2026 MODIFIED

Vulnerability data updated via NVD.

December 22, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Stack

No specific products linked.