CVE-2026-107707

Intego Antivirus through 3.0.0.1 Local Privilege Escalation via Optimization Module Junction

State: Published
Severity: 8.5 High
Published: Oct 8, 2026
Updated: Oct 9, 2026
Reserved: Oct 8, 2026

Description

Intego Antivirus for Windows through 3.0.0.1 contains a link following vulnerability in its optimization module that allows local unprivileged users to delete arbitrary folders as SYSTEM. Attackers can replace a scanned duplicate file's directory with a junction to C:\Config.msi and abuse Windows Installer rollback to execute code as SYSTEM.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-59 Improper Link Resolution Before File Access ('Link Following')

Affected Products

Product	Versions
Intego AntivirusIntego	3.0.0.1 and earlierAffected

References

https://blog.quarkslab.com/milking-the-last-drop-of-intego-time-for-windows-to-get-its-lpe.htmltechnical-descriptionexploit
https://www.intego.com/product
VulnCheck Advisory: Intego Antivirus through 3.0.0.1 Local Privilege Escalation via Optimization Module Junctionthird-party-advisory

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