CVE-2026-20652

What it is

The issue was addressed with improved memory handling. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Tahoe 26.3, visionOS 26.3. A remote attacker may be able to cause a denial-of-service.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

0.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-02-11 23:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-07-15 02:18 UTC Last updatedMost recent change to the record

Details

Published

2026-02-11 23:16 UTC

Last modified

2026-07-15 02:18 UTC

Exploit probability

0.7% · EPSS, next 30 days

Weakness

CWE-400 · Uncontrolled resource consumption

Record status

Modified

Affected

• Apple Safari < 26.3
• Apple Ipados < 18.7.5
• Apple Ipados < 26.3
• Apple Iphone Os < 18.7.5
• Apple Iphone Os < 26.3
• Apple macOS < 26.3
• Apple Visionos < 26.3

Attack profile CVSS 3.1 · 7.5

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High