Vulnerability identifier: #VU46463

Vulnerability risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-16853

CWE-ID: CWE-61

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
OneDrive for Windows
Client/Desktop applications / Software for archiving

Vendor: Microsoft

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the OneDrive for Windows Desktop application improperly handles symbolic links. A local user can run a specially crafted application and delete a targeted file with an elevated status. .

Successful exploitation of this vulnerability may result in privilege escalation.

Mitigation
Install update from vendor's website.

Vulnerable software versions

OneDrive for Windows: All versions

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External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16853

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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.