Risk | High |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2023-21674 |
CWE-ID | CWE-119 |
Exploitation vector | Local |
Public exploit | This vulnerability is being exploited in the wild. |
Vulnerable software |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
Vendor | Microsoft |
Security Bulletin
This security bulletin contains one high risk vulnerability.
EUVDB-ID: #VU70900
Risk: High
CVSSv3.1: 8.4 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C]
CVE-ID: CVE-2023-21674
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the Windows Advanced Local Procedure Call (ALPC). A local user can trigger memory corruption and execute arbitrary code with SYSTEM privileges.
Note, the vulnerability is being actively exploited in the wild.
Install updates from vendor's website.
Vulnerable software versionsWindows: 8.1 RT - 11
Windows Server: 2012 R2 - 2022 20H2
CPE2.3http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21674
Q & A
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?
Yes. This vulnerability is being exploited in the wild.