| Severity | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE ID | CVE-2018-8120 |
| CWE ID | CWE-119 |
| Exploitation vector | Local |
| Public exploit | This vulnerability is being exploited in the wild. |
| Vulnerable software Subscribe |
Windows Server Operating systems & Components / Operating system Windows Operating systems & Components / Operating system |
| Vendor | Microsoft |
This security advisory describes one medium risk vulnerability.
Severity: High
CVSSv3: 7.7 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]
CVE-ID: CVE-2018-8120
CWE-ID:
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to boundary error in win32k.sys driver. A local user can execute arbitrary code with SYSTEM privileges.
Note: this vulnerability is being actively exploited in limited targeted attacks.Install updates from vendor's website.
Vulnerable software versionsWindows Server: 2008, 2008 R2
Windows: 7
CPEhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8120
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.