VULNERABILITY INTELLIGENCE

CVE-2019-9729

CVSS score7.8 HIGH
EPSS probability1.05%
CISA KEVNot currently listed
Published2019-03-12
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-129: Improper Validation of Array Index
  • CWE-787: Out-of-bounds Write

Primary references