macOS Kernel Memory Corruption Exploit
2026-05-21T19:23:45Z•677627c493e3ef4fcdbc09c2257c9337fb307d2aea91da1a6d120eb8cfdff8c4
CVE-2026-31431TPMage-verification-bypassai-assisted-exploit-developmentanthropic-mythosbitlockercopy.faildisclosurekernel memory corruptionkernel vulnerabilitylinuxlocal privilege escalationmacosopenai-gpt-5.5physical-accessspoofingvulnerability-researchyellowkey
What happened
Collection of Bruce Schneier blog posts (May 2026) covering multiple high-impact security stories: the Copy.fail Linux kernel local privilege escalation (disclosed Apr 29, 2026) affecting many distributions and allowing arbitrary 4-byte writes to file page cache (CVE-2026-31431); a macOS M5 kernel memory corruption exploit that a team developed with help from Anthropic’s Mythos model; a published BitLocker bypass named YellowKey that defeats default Windows 11 BitLocker protections with physical access; discussion of AI models (Anthropic Mythos, OpenAI GPT-5.5) being highly capable at finding/
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- schneier_blog
- Record identifier
- 677627c493e3ef4fcdbc09c2257c9337fb307d2aea91da1a6d120eb8cfdff8c4
- Enrichment time
- 2026-05-21T19:23:45Z
- AI-assisted enrichment
- Yes
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