HIGH

CVE-2019-9729

CVSS v3

7.8

HIGH

EPSS Score

1.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-9729 yet.

Full record on NVD

Description

In Shanda MapleStory Online V160, the SdoKeyCrypt.sys driver allows privilege escalation to NT AUTHORITY\\SYSTEM because of not validating the IOCtl 0x8000c01c input value, leading to an integer signedness error and a heap-based buffer underflow.

Technical details

Published: 2019-03-12

Frequently asked questions

What is CVE-2019-9729?

Is CVE-2019-9729 actively exploited?

Active exploitation of CVE-2019-9729 has not been confirmed. Its EPSS score was 1.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-9729?

CVE-2019-9729 has a CVSS v3 base score of 7.8 (HIGH severity).

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