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OpenAdvisories
Medium · 6.2 Public exploit CVE-2026-20637 EUVD-2026-15042GHSA-qmpr-r5h7-6c7x

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPa…

Published Mar 25, 2026 · Updated Oct 26, 2026 · Assigned by apple

Vendor: Apple Product: iOS and iPadOS Product: macOS Product: tvOS Product: visionOS Product: watchOS Platform: iOS Platform: macOS

Description

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. An app may be able to cause unexpected system termination.

Affected products

VendorProductAffectedFixed
Apple iOS and iPadOS < 18.7.7, < 26.3 18.7.7
Apple macOS < 14.8.5, < 15.7.5, < 26.3 14.8.5
Apple tvOS < 26.3 26.3
Apple visionOS < 26.3 26.3
Apple watchOS < 26.3 26.3

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 2 repositories

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 5

References