CVE-2026-43783CWE-362

CVE-2026-43783

High · published September 15, 2026

CVSS v3.1
7.8
EPSS
0%
Percentile
2.3
In the wild
Unconfirmed
What it is

A race condition was addressed with improved locking. This issue is fixed in macOS Tahoe 26.6. A malicious app may be able to gain root privileges.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00129 · 2.3th percentile
Weakness
CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Published
2026-09-15T01:17Z
Affected products (1)
ProductVersionsFixed in
apple/macos< 26.626.6
References (1)
https://support.apple.com/en-us/128067 · [email protected]
EPSS history
Timeline
  • 16 SEP 04:27Z
    EPSS moved — → 0%
    epss
  • 14 SEP 20:50Z
    A race condition was addressed with improved locking
    cvelistv5