CVE-2026-86969

HIGH
MEDIUM Priority: 0.05 BB Relevance: 75/100
Published: 2026-10-26 Modified: 2026-11-04 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

An out-of-bounds write was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

Weakness Classification (1)

Affected Software (8)

VendorProductVersion
Apple iOS and iPadOS 0 < 26.7.2
Apple iOS and iPadOS 0 < 27.2
Apple macOS 0 < 15.8.2
Apple macOS 0 < 26.7.2
Apple macOS 0 < 27.2
apple ipados < 26.7.2
apple iphone_os < 26.7.2
apple macos < 15.8.2

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

0.65%
Raw Score 0.006460
Percentile 51.2%
Date 2026-11-07

EPSS Trend

2026-11-07
0.00646
2026-11-06
0.00646
2026-11-05
0.00646
2026-11-04
0.00231
2026-11-03
0.00231
2026-11-02
0.00231
2026-11-01
0.00231
2026-10-31
0.00231
2026-10-30
0.00231
2026-10-29
0.00231
2026-10-28
0.00231

Intelligence Sources

mitre ref →
nvd ref →