Dashboard / CVE-2026-64691

CVE-2026-64691

CRITICAL
INFO Priority: 0.05 BB Relevance: 80/100
Published: 2026-07-27 Modified: 2026-10-24 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

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Tahoe 26.6. An app may be able to cause unexpected system termination.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
apple macos 26.0 – 26.6

References & Advisories (1)

https://support.apple.com/en-us/128067
Release Notes Vendor Advisory

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

0.47%
Raw Score 0.004680
Percentile 40.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00468
2026-10-28
0.00468

Intelligence Sources

nvd ref →

External Links