CVE-2026-65680: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft OneDrive for MacOS
Improper link resolution before file access ('link following') in Microsoft OneDrive allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CWE-59) in Microsoft OneDrive for MacOS (version 26.0.0.0) involves improper link resolution before file access, which can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 vector indicates the attack requires local access with low complexity, high privileges, no user interaction, and impacts confidentiality, integrity, and availability. Microsoft has published an official fix for this issue.
Potential Impact
An authorized attacker with local access to the affected OneDrive for MacOS version can exploit this vulnerability to elevate their privileges, potentially gaining higher-level access than intended. This could lead to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65680 to remediate this vulnerability.
CVE-2026-65680: CWE-59: Improper Link Resolution Before File Access ('Link Following') in Microsoft OneDrive for MacOS
Description
Improper link resolution before file access ('link following') in Microsoft OneDrive allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 6.7medium
Affected software
pkg:github/microsoft/onedrive-macosRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-59) in Microsoft OneDrive for MacOS (version 26.0.0.0) involves improper link resolution before file access, which can be exploited by an authorized local attacker to elevate privileges. The CVSS 3.1 vector indicates the attack requires local access with low complexity, high privileges, no user interaction, and impacts confidentiality, integrity, and availability. Microsoft has published an official fix for this issue.
Potential Impact
An authorized attacker with local access to the affected OneDrive for MacOS version can exploit this vulnerability to elevate their privileges, potentially gaining higher-level access than intended. This could lead to full compromise of the affected system's confidentiality, integrity, and availability.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the patch provided by Microsoft as detailed in the vendor advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65680 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-22T18:16:01.898Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65680","vendor":"Microsoft"}]
Threat ID: 6a7b6291bf8831d5392313ce
Added to database: 08/11/2026, 17:57:37 UTC
Last enriched: 08/11/2026, 18:18:00 UTC
Last updated: 08/11/2026, 18:43:13 UTC
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.