HighVulnerability

CVE-2026-73218: Cursor IDE for macOS privilege escalation via Auto-Run Sandbox agent

Source: NVD(opens in a new tab)
Identifier: CVE-2026-73218
Published: August 11, 2026
Record updated: October 9, 2026

Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.6%

Summary

CVE-2026-73218 affects Cursor IDE for macOS before 3.0.0. An agent running in Auto-Run Sandbox mode can, when Docker Desktop and the Dev Containers CLI are installed, launch a privileged container and mount Docker's virtiofs0. This grants read and write access to the user's home directory and host command execution with the user's privileges, without an additional permission prompt. The CVSS 4.0 base score from GitHub is 7.7 (HIGH).

Mitigation

Fixed in version 3.0.0.

Details

Scores and exploitation

EPSS: 0.6%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 10, 2026.
Disclosure date: August 11, 2026

Weaknesses and techniques

Weakness (CWE): CWE-269
Attack pattern (CAPEC): CAPEC-122

Classification

Attack type: Other
Attack sophistication: Moderate
AI component targeted: Agent
Impact: Confidentiality,
Integrity,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-73218

First tracked: August 11, 2026 at 08:08 PM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 90% (self-assessed)

Summary

Mitigation

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