CVE-2026-86954

MEDIUM
MEDIUM Priority: 0.04 BB Relevance: 63/100
Published: 2026-10-26 Modified: 2026-10-30 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth

CVSS Vector Breakdown

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

Description

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27, visionOS 27, watchOS 27. Processing a maliciously crafted image may lead to unexpected app termination.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
Apple iOS and iPadOS 0 < 26.7.2
Apple iOS and iPadOS 0 < 27
Apple macOS 0 < 15.8.2
Apple macOS 0 < 26.7.2
Apple macOS 0 < 27
Apple tvOS 0 < 27
Apple visionOS 0 < 27
Apple watchOS 0 < 27

Bug Bounty Relevance

63 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.55%
Raw Score 0.005450
Percentile 45.7%
Date 2026-10-31

EPSS Trend

2026-10-31
0.00545
2026-10-30
0.00243
2026-10-29
0.00243
2026-10-28
0.00243

Intelligence Sources

mitre ref →
nvd ref →