HIGH

CVE-2026-86919

Stack Overflow via Paired Bluetooth Device Leading to Arbitrary Code Execution

CVSS v3

8.8

HIGH

EPSS Score

0.3 %

exploit probability, as of 2026-10-22

CISA KEV

known exploited

Exploitation

none

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-86919 yet.

Full record on NVD

Description

A stack overflow was addressed with improved input validation. This issue is fixed in iOS 26.7 and iPadOS 26.7, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7, visionOS 27. An attacker with a paired Bluetooth device may be able to execute arbitrary code.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2026-10-20
Last Modified: 2026-10-21

Frequently asked questions

What is CVE-2026-86919?

Is CVE-2026-86919 actively exploited?

Active exploitation of CVE-2026-86919 has not been confirmed. Its EPSS score was 0.3% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-86919?

CVE-2026-86919 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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