CVE-2026-86966

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-10-26 Modified: 2026-11-03 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth Integ. Impact

CVSS Vector Breakdown

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

Description

This issue was addressed with improved handling of symlinks. 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, visionOS 27. An app may be able to modify protected parts of the file system.

Weakness Classification (1)

Affected Software (6)

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 visionOS 0 < 27

Bug Bounty Relevance

36 / 100
✓ No authentication
✓ Low complexity

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.21%
Raw Score 0.002060
Percentile 10.7%
Date 2026-11-07

EPSS Trend

2026-11-07
0.00206
2026-11-06
0.00206
2026-11-05
0.00206
2026-11-04
0.00192
2026-11-03
0.00227
2026-11-02
0.00227
2026-11-01
0.00227
2026-10-31
0.00227
2026-10-30
0.00227
2026-10-29
0.00227
2026-10-28
0.00227

Intelligence Sources

mitre ref →
nvd ref →