CVE-2026-43777

HIGH
MEDIUM Priority: 0.05 BB Relevance: 75/100
Published: 2026-07-27 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

This issue was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. A remote attacker may be able to cause a denial of service.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
apple macos 14.0 – 14.8.8

References & Advisories (3)

https://support.apple.com/en-us/128067
Release Notes Vendor Advisory
https://support.apple.com/en-us/128071
Release Notes Vendor Advisory
https://support.apple.com/en-us/128072
Release Notes Vendor Advisory

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.70%
Raw Score 0.006980
Percentile 53.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00698
2026-10-28
0.00698

Intelligence Sources

nvd ref →