What is the CVSS score of CVE-2026-43763?

CVE-2026-43763 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2026-43763?

Yes, a public proof-of-concept exploit is available for CVE-2026-43763. Prioritise patching immediately. EPSS: 0.2%.

Is there a patch available for CVE-2026-43763?

Yes, a patch is available for CVE-2026-43763. Update the affected software to the latest version immediately.

Apple CVE-2026-43763

EUVD-2026-49470 MEDIUM

Improper Access Control (CWE-284)

2026-07-27 apple

GHSA-pqh8-rh8h-g7fg

Authentication Bypass Apple

5.5

CVSS 3.1 · Vendor: apple

Severity by source

Vendor (apple) PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/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

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Analysis Generated

Jul 28, 2026 - 15:30 vuln.today

CVSS changed

Jul 28, 2026 - 15:22 NVD

5.5 (MEDIUM)

Patch available

Jul 27, 2026 - 21:17 EUVD

CVE Published

Jul 27, 2026 - 20:12 cve.org

MEDIUM 5.5

CVE Published

Jul 27, 2026 - 20:12 cve.org

UNKNOWN (no severity yet)

DescriptionCVE.org

A permissions issue was addressed by removing the vulnerable code. 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 read files outside of its sandbox.

AnalysisAI

Sandbox escape in macOS allows a malicious app to read files outside its sandbox. Affects macOS Sonoma prior to 14.8.8, Sequoia prior to 15.7.8, and Tahoe prior to 26.6. No active exploitation or public exploit