Patch Tuesday, May 2026 Edition

Artificial intelligence platforms may be just as susceptible to social engineering as human beings, but they are proving remarkably good at finding security vulnerabilities in human-made computer code. That reality is on full display this month with some of the more widely-used software makers — including Apple, Google, Microsoft, Mozilla and Oracle — fixing near record volumes of security bugs, and/or quickening the tempo of their patch releases.

Anthropic warns investors against secondary platforms offering access to its shares

The company named Open Doors Partners, Unicorns Exchange, Pachamama Capital, Lionheart Ventures, Hiive, Forge Global, Sydecar and Upmarket as companies that are not authorized to provide access to buy or sell its shares.

The AI legal services industry is heating up. Anthropic is getting in on the action.

As the AI legal services industry heats up, Anthropic is launching its own suite of features designed to assist law firms.

Claude just took over the data center Grok needed most

Anthropic’s SpaceX deal gives Claude a major compute boost from the Memphis data center xAI arguably needed most, exposing how brutally infrastructure now shapes the race between Grok and its rivals.

OpenAI just released its answer to Claude Mythos
OpenAI just released its answer to Claude Mythos

OpenAI is launching Daybreak, an AI initiative focused on detecting and patching vulnerabilities before attackers find them. Daybreak uses the Codex Security AI agent that launched in March to create a threat model based on an organization’s code and focus on possible attack paths, validate likely vulnerabilities, and then automate the detection of the higher […]

Claude AI agents are driving record Mac mini demand
Claude AI agents are driving record Mac mini demand

Tyler Cadwell runs a small Arizona business called Everything Etched. He sells custom-engraved glassware on Etsy and Shopify. When he wants to brainstorm or build something new, he drives his Ford Bronco out into the canyons around Flagstaff and Tucson…

Anthropic says it has fixed Claude AI’s evil behavior, but pins it on the internet

Anthropic says Claude’s blackmail behavior during a 2025 experiment was caused by internet training data that portrays AI as evil and self-preserving.

Anthropic says Claude learned to blackmail by reading stories about evil AI
Anthropic says Claude learned to blackmail by reading stories about evil AI

The company has traced its model’s most uncomfortable behaviour to the corpus of science fiction it was trained on. The fix it describes is unsettling in a different way: teaching the model the reasons behind being good, not just the rules. In a fictio…

Anthropic says ‘evil’ portrayals of AI were responsible for Claude’s blackmail attempts

Fictional portrayals of artificial intelligence can have a real effect on AI models, according to Anthropic.

Anthropic’s Mythos found thousands of zero-day vulnerabilities. The Fed chair called the banks.
Anthropic’s Mythos found thousands of zero-day vulnerabilities. The Fed chair called the banks.

  Anthropic built an AI model that found thousands of zero-day vulnerabilities in every major operating system and web browser. The Federal Reserve chair and the Treasury secretary called bank CEOs to discuss it. The company says there is a six-to-twel…