Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2019-1321 |
CWE-ID | CWE-264 |
Exploitation vector | Local |
Public exploit | N/A |
Vulnerable software Subscribe |
Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system |
Vendor | Microsoft |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU21669
Risk: Low
CVSSv3.1: 5.1 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-1321
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows CloudStore handles file Discretionary Access Control List (DACL). A local user can create a malicious application, launch it on the system, overwrite a targeted file leading to an elevated status and take control of an affected system.
To exploit this vulnerability, an attacker would first have to log on to the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsWindows: 10 1703 - 10 1903
Windows Server: 2019 - 2019 1903
External linkshttp://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1321
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?
No. We are not aware of malware exploiting this vulnerability.