PT-2025-52652 · K7 Computing · K7 Ultimate Security

Published 2025-12-22 · Updated 2026-01-12 · CVE-2025-67826

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

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

Name of the Vulnerable Software and Affected Versions K7 Ultimate Security version 17.0.2045

Description A local privilege escalation issue exists in K7 Ultimate Security antivirus. A local unprivileged user on default installations can exploit insecure access to a named pipe to modify any registry key, potentially gaining full SYSTEM-level compromise.

Recommendations Update K7 Ultimate Security to a version with a fix for this vulnerability. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

CVE-2025-67826

Affected Products

K7 Ultimate Security

References · 9

• https://osv.dev/vulnerability/CVE-2025-67826 · Vendor Advisory
• https://support.k7computing.com/index.php?/selfhelp/view-article/Advisory-issued-on-22nd-Dec-2025 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-67826 · Security Note
• https://t.me/cveNotify/146549 · Telegram Post
• https://t.me/CVEtracker/40415 · Telegram Post
• https://twitter.com/kaluche_/status/2010794612005507074 · Twitter Post
• https://twitter.com/CVEnew/status/2003198634565714373 · Twitter Post
• https://twitter.com/cracbot/status/2004869930475569491 · Twitter Post
• https://k7computing.com · Note