CVE-2019-9729

HIGH 7.8CVE-2019-9729 · Published 12/03/2019 · updated 17/06/2026

In short

CVE-2019-9729 is a HIGH (CVSS 7.8) vulnerability affecting maplestory online (shanda).
Chance of exploitation in the next 30 days (EPSS): 1.0%, higher than 64.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
maplestory online shanda	`= 160.0`	No fix yet

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.

References

DoubleLabyrinth/SdoKeyCrypt-sys-local-privilege-elevation · Exploit

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