CVE-2026-65680Important
Microsoft OneDrive for MacOS Elevation of Privilege Vulnerability
Assessment
Improper link resolution before file access ('link following') in Microsoft OneDrive allows an authorized attacker to elevate privileges locally.
- Severity
- Important
- CVSS base score
- 6.7CVSS:3.1/
AV:L/ AC:L/ PR:H/ UI:N/ S:U/ C:H/ I:H/ A:H/ E:U/ RL:O/ RC:C - Impact
- Elevation of Privilege
- EPSS, next 30 days
- 0.4%Higher than 30.1% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
- Exploitability
- Exploitation Less Likely
- Publicly disclosed
- No
- Customer action
- Required: apply the update
- Component
- Microsoft OneDrive
- Weakness
- CWE-59: Improper Link Resolution Before File Access ('Link Following')
- Issued by
- Microsoft
- Published
- 11 Aug 2026 · August 2026
- Last revised
- 11 Aug 2026
Updates that fix it
0 KBsNo KB listed
MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.
Affected products
Microsoft Office1 affected product
- OneDrive for MacOS