Vulnerability · Published May 11, 2026 · Assigned by apple

CVE-2026-43653

Medium 6.2

In plain English

A medium-severity uncontrolled resource consumption in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).

Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.2%top 91.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS 0 – before 18.7.90 – before 26.5
Apple macOS 0 – before 14.8.70 – before 15.7.80 – before 26.5
Apple tvOS 0 – before 26.5

Weakness: CWE-400 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References