CVE-2026-43661

HIGH
MEDIUM Priority: 0.09 BB Relevance: 75/100
Published: 2026-05-11 Modified: 2026-10-26 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

A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, iOS 26.7 and iPadOS 26.7, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing a maliciously crafted image may corrupt process memory.

Weakness Classification (1)

Affected Software (5)

VendorProductVersion
apple ipados < 26.5
apple iphone_os < 26.5
apple macos 26.0 – 26.5
apple tvos < 26.5
apple watchos < 26.5

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

1.26%
Raw Score 0.012600
Percentile 69.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.01260
2026-10-28
0.01260

Intelligence Sources

mitre ref →
nvd ref →