What is the CVSS score of CVE-2026-43698?

CVE-2026-43698 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Apple are affected by CVE-2026-43698?

Apple's macOS operating systems (Sequoia, Sonoma, and Tahoe) are affected by a privilege escalation vulnerability that allows a malicious application to gain root-level control of the device.. A patch is available.

How to fix or mitigate CVE-2026-43698?

Within 24 hours, validate that all macOS endpoints are updated to the latest patched versions: Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6. If not, initiate emergency change management to deploy these updates across the fleet. Within 7 days, confirm patch deployment via endpoint management tools and run a scan for any lingering unpatched systems. Within 30 days, review local privilege escalation monitoring capabilities and incorporate macOS patching into standard vulnerability management SLAs.

Apple CVE-2026-43698

EUVD-2026-49533 HIGH

Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') (CWE-88)

2026-07-27 apple

GHSA-jv35-898h-vccg

Apple Code Injection

7.8

CVSS 3.1 · Vendor: apple

Severity by source

Vendor (apple) PRIMARY

7.8 HIGH

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

Primary rating from Vendor (apple) · only source for this CVE.

CVSS VectorVendor: apple

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Jul 27, 2026 - 23:00 vuln.today

Patch available

Jul 27, 2026 - 21:17 EUVD

CVE Published

Jul 27, 2026 - 20:13 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 27, 2026 - 20:13 cve.org

HIGH 7.8

DescriptionCVE.org

An injection issue was addressed with improved validation. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to gain root privileges.

AnalysisAI

Local privilege escalation in macOS before Sequoia 15.7.8, Sonoma 14.8.8, and Tahoe 26.6 allows an app to gain root privileges via an argument injection flaw. Apple has addressed the issue with improved validation, and no public exploit or active exploitation has been reported. The low attack complexity and full system compromise warrant immediate patching.