CVE-2026-84599

The issue was addressed with improved memory handling. 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, macOS Tahoe 26.7, tvOS 27, visionOS 27, watchOS 27. An app may be able to cause unexpected system termination or corrupt kernel memory.

7.8 HIGHEPSS 0.13%Not in KEVNVD: Modified

Last updated: 2026-11-02 20:18 UTC

OverviewCVSS details

7.8HIGHCVSS 3.1

Score source: NVD
NVD status: Modified
Published: Oct 26, 2026
Assigner: apple

Affected

iOS and iPadOS (Apple)

Versions: before 26.7.2 · before 27
Fixed in: 26.7.2, 27

+4 more products →

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact partial

EPSS · FIRST, scored Nov 7

0.13%chance of exploitation in 30 days

Higher than 3.29% of CVEs

CVSS 3.1 · NVD

7.8High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · CISA-ADP

4.4Medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Attack vector: Local
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: Unchanged
Confidentiality impact: None
Integrity impact: Low
Availability impact: Low

NVD status: Modified

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
7.8	HIGH	3.1NVD	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.4	MEDIUM	3.1CISA-ADP	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Details

CVE ID: CVE-2026-84599
Status: Modified
Assigner (CNA): apple
Published: Oct 26, 2026
Last modified: 2026-11-02 20:18 UTC
Weaknesses: CWE-119

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:34 UTC.