CVE-2026-84553CWE-400denial-of-service

CVE-2026-84553

High · published September 15, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
52.6
In the wild
Unconfirmed
What it is

A resource exhaustion issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. A remote attacker may be able to cause a denial-of-service.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00698 · 52.6th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-09-15T01:17Z
Affected products (2)
ProductVersionsFixed in
apple/macos≥ 15.0, < 15.815.8
apple/macos≥ 26.0, < 26.726.7
References (3)
https://support.apple.com/en-us/149035 · [email protected]https://support.apple.com/en-us/149042 · [email protected]https://support.apple.com/en-us/149043 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 1%
    epss
  • 14 SEP 20:50Z
    A resource exhaustion issue was addressed with improved input validation
    cvelistv5