What is the CVSS score of CVE-2026-43665?

CVE-2026-43665 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.1%.

Is there a patch available for CVE-2026-43665?

Yes, a patch is available for CVE-2026-43665. Update the affected software to the latest version immediately.

Apple CVE-2026-43665

EUVD-2026-49449 MEDIUM

Missing Authorization (CWE-862)

2026-07-27 apple

GHSA-5rwq-4jf8-hxpv

Authentication Bypass Apple

5.5

CVSS 3.1 · Vendor: apple

Severity by source

Vendor (apple) PRIMARY

5.5 MEDIUM

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

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

None

Availability

None

Lifecycle Timeline

Analysis Generated

Jul 28, 2026 - 16:49 vuln.today

Patch available

Jul 27, 2026 - 21:17 EUVD

CVE Published

Jul 27, 2026 - 20:14 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 27, 2026 - 20:14 cve.org

MEDIUM 5.5

DescriptionCVE.org

This issue was addressed with additional entitlement checks. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. A local attacker may be able to determine the legacy VNC password configured for Screen Sharing.

AnalysisAI

Information disclosure in macOS Screen Sharing allows a local attacker with low privileges to read the legacy VNC password. This issue affects macOS versions prior to 15.7.8 and 14.8.8, and could enable unauthorized remote access if VNC is enabled. No active exploitation or public exploit code has been identified.