CVE-2026-86868

CRITICAL
INFO Priority: 0.02 BB Relevance: 78/100
Published: 2026-10-20 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

An authentication issue was addressed with improved state management. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. An attacker may be able to impersonate other users.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
Apple macOS 0 < 15.8

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.20%
Raw Score 0.002030
Percentile 10.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00203
2026-10-28
0.00203

Intelligence Sources

mitre ref →
nvd ref →