Link following in OneDrive for MacOS - CVE-2026-65680
Published: August 13, 2026
Vulnerability identifier: #VU142250
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-65680
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an insecure link following issue in Microsoft OneDrive for MacOS. A local administrator can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Affected software
OneDrive for MacOS
How to mitigate CVE-2026-65680
Install updates from vendor's website.
OneDrive for MacOS - update to 26.095.0519.0003