Dashboard / CVE-2026-84539

CVE-2026-84539

CRITICAL
INFO Priority: 0.02 BB Relevance: 80/100
Published: 2026-10-26 Modified: 2026-11-04 First seen: 2026-10-29 Status: active

Attack Surface

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

CVSS Vector Breakdown

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

Description

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Tahoe 26.7.2. An app may be able to cause unexpected system termination.

Weakness Classification (1)

Affected Software (3)

VendorProductVersion
Apple macOS 0 < 26.7.2
Apple macOS 0 < 27
apple macos < 26.7.2

References & Advisories (2)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.21%
Raw Score 0.002120
Percentile 11.6%
Date 2026-11-04

EPSS Trend

2026-11-04
0.00212
2026-11-03
0.00212
2026-11-02
0.00212
2026-11-01
0.00212
2026-10-31
0.00212
2026-10-30
0.00212
2026-10-29
0.00212
2026-10-28
0.00212

Intelligence Sources

mitre ref →
nvd ref →

External Links