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

mediumCVSS 6.7CVE-2026-65680

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

CSIRTS triage

vendor: Microsoft product: OneDrive for MacOS Privilege escalation Path traversal

What: Improper link resolution before file access in Microsoft OneDrive allows authorized attackers to elevate privileges locally via symlink following.
Who is affected: Authenticated local users on affected macOS systems running OneDrive can escalate privileges.
Urgency: Medium severity (CVSS 6.7) local privilege escalation; standard patching timeline applies.
Action: Update Microsoft OneDrive for Mac to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 6.7
Published: 2026-08-11
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-65680

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-656800.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-65680	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

unknownMultiple vulnerabilities in Microsoft products (August 12, 2026)cert-fr-avis
unknownNCSC-2026-0286 [1.00] [M/H] Vulnerabilities patched in Microsoft Officencsc-nl
mediumCVE-2026-65680: Improper link resolution before file access ('link following') in Microsoft OneDrive allows an…nvd

Recent advisories for Microsoft OneDrive for

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2026-65680: Improper link resolution before file access ('link following') in Microsoft OneDrive allows an…nvd · 2026-08-11