macOS vulnerability allowed Keychain and iOS app decryption without a password - Help Net Security

Security expert details how a simple Microsoft tool led to the discovery of a serious macOS flaw

Macworld According to a report by Help Net Security, a security researcher found a vulnerability in macOS Sequoia while using a utility created by Microsoft. When exposed, the vulnerability could allow an attack to bypass macOS’s System Integrity Protection and read the memory of any process. FFRI Security’s Koh Nakagawa made the find while using ProcDump for Mac, a utility by Microsoft that performs process crash dumps so developers can monito…

macOS Sequoia flaw could have exposed Keychain data including passwords

A newly disclosed macOS flaw could have allowed an attacker to decrypt Keychain data without a password. Here's how it worked, before it was patched. A newly disclosed macOS flaw for Mac Apple is known for its strong emphasis on security and privacy. However, a flaw in macOS Sequoia 15.0 allowed attackers to bypass these protections.At Nullcon Berlin 2025, security researcher Koh M. Nakagawa from FFRI Security disclosed the issue. He found that …

macOS vulnerability allowed Keychain and iOS app decryption without a password - Help Net Security

Today at Nullcon Berlin, a researcher disclosed a macOS vulnerability (CVE-2025-24204) that allowed attackers to read the memory of any process, even with