CVE-2023-40447

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS...

8.8 High

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS 17.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, macOS Sonoma 14.1, Safari 17.1, tvOS 17.1. Processing web content may lead to arbitrary code execution.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.67%Up 1.6 points since Oct 26, 2023

What each source reports

NVD Score used 8.8

Record: CVE-2023-40447
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

CVE List No score

Record: CVE-2023-40447
Updated: 2026-11-02

EUVDEUVD-2023-45018 0.0

Record: EUVD-2023-45018
CVSS: 0.0 NoneCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-6r68-v3jx-h6qg 8.8

The issue was addressed with improved memory handling. This issue is fixed in iOS 17.1 and iPadOS...

Record: GHSA-6r68-v3jx-h6qg
CVSS 3.1: 8.8 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-40447 is a high vulnerability (CVSS 8.8) in Apple Ipados, published October 25, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.67%, the 76th percentile. No source names a fixed version.

References

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