CVE-2026-65680: Microsoft OneDrive for MacOS Elevation of Privilege Vulnerability

Overview

Severity

Medium (CVSS 6.7)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Patch Tuesday

2026-Aug

Released

2026-08-11

EPSS Score

0.29% (percentile: 21.3%)

Description

Improper link resolution before file access ('link following') in Microsoft OneDrive allows an authorized attacker to elevate privileges locally.

FAQ

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain ROOT privileges.

Affected Products (1)

Microsoft Office

• OneDrive for MacOS

Security Updates (1)

• Release Notes

Acknowledgments

anonymous

Revision History

• 2026-08-11: Information published.