What is CVE-2018-7249?

CVE-2018-7249 is a high-severity vulnerability in Microsoft Windows 7, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2018-02-26.

How severe is CVE-2018-7249?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2018-7249 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Microsoft Windows 7

CVE-2018-7249

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.

Vulnerability class: Race Condition

EPSS: 0.015 (71.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-7249?: CVE-2018-7249 is a high-severity vulnerability in Microsoft Windows 7, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2018-02-26.
How severe is CVE-2018-7249?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2018-7249 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.