CVE-2026-43653

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 47/100
Published: 2026-05-11 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

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

Description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

Weakness Classification (1)

Affected Software (7)

VendorProductVersion
apple ipados < 18.7.9
apple ipados 26.0 – 26.5
apple iphone_os < 18.7.9
apple iphone_os 26.0 – 26.5
apple macos 14.0 – 14.8.7
apple macos 26.0 – 26.5
apple tvos < 26.5

References & Advisories (6)

https://support.apple.com/en-us/127110
Release Notes Vendor Advisory
https://support.apple.com/en-us/127111
Release Notes Vendor Advisory
https://support.apple.com/en-us/127115
Release Notes Vendor Advisory
https://support.apple.com/en-us/127117
Release Notes Vendor Advisory
https://support.apple.com/en-us/127118
Release Notes Vendor Advisory

Bug Bounty Relevance

47 / 100
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.2 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploitation Probability

0.18%
Raw Score 0.001850
Percentile 8.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00185
2026-10-28
0.00185

Intelligence Sources

nvd ref →