Vulnerability identifier: #VU25972
Vulnerability risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-59
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Vendor: Microsoft
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to insecure processing of symbolic links in MSI packages within the Windows Installer. A local user can create a specially crafted symbolic link and elevate privileges on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Windows: 10 1803 10.0.17134.48, 10 1809 10.0.17763.1, 10 1909 10.0.18363.476, 10 1709 10.0.16299.19, 10 1903 10.0.18362.116, 10 1607 10.0.14393.10, 7, 8.1 - 8.1 RT
Windows Server: 2008 - 2019 1909
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0779
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.