CVE-2026-43670: ipados — Fix

Description

A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy.

Is your site exposed to CVE-2026-43670?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

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

EPSS — Exploit Prediction

0.0021

Probability of exploitation

0.12%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-693 CWE-693

Affected Products

Vendor	Product	Versions
apple	safari	< 26.5
apple	ipados	< 18.7.9
apple	ipados	26.0 — 26.5
apple	iphone_os	< 18.7.9
apple	iphone_os	26.0 — 26.5
apple	macos	26.0 — 26.5

References

Advisories & Patches

https://support.apple.com/en-us/127110 https://support.apple.com/en-us/127111 https://support.apple.com/en-us/127115 https://support.apple.com/en-us/127121

Frequently Asked Questions

What is CVE-2026-43670? +

A Content Security Policy bypass was addressed with improved enforcement in AudioWorklet contexts. This issue is fixed in Safari 26.5, iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5. Processing maliciously crafted web content may bypass Content Security Policy. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-43670? +

CVE-2026-43670 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0021, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-43670? +

CVE-2026-43670 affects products from apple, specifically: ipados, iphone_os, macos, safari. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-43670? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-90957

Affected versions of MISP serve uploaded SVG images inline without a restrictive browser sandbox. The commit explains that SVG files …

CVE-2026-48033

Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, policy …

CVE-2026-0278

Multiple protection mechanism failures in the Prisma Access Agent Data Loss Prevention (DLP) component for Windows allow a local user …

CVE-2025-3114

Code Execution via Malicious Files: Attackers can create specially crafted files with embedded code that may execute without adequate security …

CVE-2024-51481

Nix is a package manager for Linux and other Unix systems. On macOS, built-in builders (such as `builtin:fetchurl`, exposed to …

CVE-2025-65100

Isar is an integration system for automated root filesystem generation. In versions 0.11-rc1 and 0.11, defining ISAR_APT_SNAPSHOT_DATE alone does not …

CVE-2026-43670