Vulnerable component: Windows
CVSSv3 score: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C
CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to boundary error when handling of objects in kernel memory. A local attacker can execute a specially crafted program, trigger memory corruption and gain SYSTEM privileges.
Successful exploitation of this vulnerability results in privilege escalation on the vulnerable system.
Note: the vulnerability was being actively exploited.