CVE-2018-7249: Microsoft Windows 7

High severity, CVSS 7.0. EPSS: 1.5% chance of exploitation in the next 30 days.

An issue was discovered in secdrv.sys as shipped in Microsoft Windows Vista, Windows 7, Windows 8, and Windows 8.1 before KB3086255, and as shipped in Macrovision SafeDisc. Two carefully timed calls to IOCTL 0xCA002813 can cause a race condition that leads to a use-after-free. When exploited, an unprivileged attacker can run arbitrary code in the kernel.

Affected products

• Microsoft Windows 7: any version
• Microsoft Windows 8: any version
• Microsoft Windows 8.1: any version
• Microsoft Windows Vista: any version
• Tivo Safedisc: affected versions not specified

Published 2018-02-26. Last modified 2026-06-17.