Vulnerability · Published Oct 8, 2026 · Assigned by VulnCheck
CVE-2026-107707Intego Antivirus through 3.0.0.1 Local Privilege Escalation via Optimization Module Junction
High 7.8
In plain English
A high-severity security flaw in Intego Antivirus from Intego. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 4% of all known vulnerabilities).
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.1%top 96.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Intego | Intego Antivirus | 0 – through 3.0.0.1 |
Weakness: CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://blog.quarkslab.com/milking-the-last-drop-of-intego-time-for-windows-to-get-its-lpe.html technical-description, exploit
- https://www.intego.com/ product
- VulnCheck Advisory: Intego Antivirus through 3.0.0.1 Local Privilege Escalation via Optimization Module Junction third-party-advisory