CVE-2026-86974

HIGH
MEDIUM Priority: 0.01 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

A type confusion issue was addressed with improved checks. This issue is fixed in Safari 27.2, iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, visionOS 27.2. Processing maliciously crafted web content may lead to memory corruption.

Weakness Classification (1)

Affected Software (10)

VendorProductVersion
Apple Safari 0 < 27.2
Apple iOS and iPadOS 0 < 26.7.2
Apple iOS and iPadOS 0 < 27.2
Apple macOS 0 < 27.2
Apple visionOS 0 < 27.2
apple ipados < 26.7.2
apple iphone_os < 26.7.2
apple macos 27.0 – 27.2
apple safari < 27.2
apple visionos < 27.2

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

0.19%
Raw Score 0.001910
Percentile 8.8%
Date 2026-11-04

EPSS Trend

2026-11-04
0.00191
2026-11-03
0.00191
2026-11-02
0.00191
2026-11-01
0.00191
2026-10-31
0.00191
2026-10-30
0.00191
2026-10-29
0.00191
2026-10-28
0.00191

Intelligence Sources

mitre ref →
nvd ref →