Vulnerable component: Windows
CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/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 remote user to execute arbitrary code on the target system.
The vulnerability exists due to boundary error in Microsoft Windows Server Service. A remote attacker can send a specially crafted packet to port 139/TCP or 445/TCP, trigger boundary error and execute arbitrary code with privileges of the current user.
Successful exploitation of the vulnerability results in compromise of vulnerable system.
Note: this vulnerability is being actively exploited.