---
title: "CVE-2026-43783: Apple macOS Tahoe - Privilege Escalation"
description: "Apple macOS Tahoe 26.6 contains a race condition caused by improper locking, letting malicious apps gain root privileges, exploit requires malicious app execution."
url: https://panop.io/threat-heartbeat/CVE-2026-43783/
---

# CVE-2026-43783 Apple macOS Tahoe - Privilege Escalation

Apple macOS Tahoe 26.6 contains a race condition caused by improper locking, letting malicious apps gain root privileges, exploit requires malicious app execution.

CVSS base score 7.8 /10

High

CISA KEV

Not listed

Public exploit

Proof of concept available

Authentication

Required

EPSS

0.13% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-43783)

## Details

Type

Privilege Escalation

Impact

Privilege Escalation

CVSS vector

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

Published

14 September 2026

Updated

15 October 2026

Weakness

[CWE-362](https://cwe.mitre.org/data/definitions/362.html)

## Vendor fix

Update to macOS Tahoe 26.6 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-43783](https://nvd.nist.gov/vuln/detail/CVE-2026-43783)
- [https://support.apple.com/en-us/128067](https://support.apple.com/en-us/128067)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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