SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-7249

Two carefully timed calls to IOCTL 0xCA002813 can cause a race condition that leads to a use-after-free.

HIGH 7.0EPSS 1.47%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
7.0 HIGHCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.47% probability · 72th percentile
CISA KEV
Not listed
Weakness
CWE-362, CWE-416
Affected
microsoft/windows 7 · microsoft/windows 8 · microsoft/windows 8.1 · microsoft/windows vista · tivo/safedisc
Source
cve@mitre.org

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.