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Microsoft tests Windows Explorer speed, performance improvements

BleepingComputer

Malware & Threats

Microsoft tests Windows Explorer speed, performance improvements

Microsoft is rolling out multiple File Explorer changes to Windows 11 users in the Insider program, including improvements to launch speed and performance.

BleepingComputerApr 20, 20263m5

Vulnerabilities

Supply Chain Compromise Impacts Axios Node Package Manager

Vulnerabilities

Supply Chain Compromise Impacts Axios Node Package Manager

The information in this report is being provided “as is” for informational purposes only. CISA does not endorse any commercial entity, product, company, or service, including any entities, products, or services linked within this document. Any reference to specific commercial entities, products, ...

CISA AlertsApr 20, 20263m5

Vulnerabilities

CISA Adds Eight Known Exploited Vulnerabilities to Catalog

Vulnerabilities

CISA Adds Eight Known Exploited Vulnerabilities to Catalog

These types of vulnerabilities are frequent attack vectors for malicious cyber actors and pose significant risks to the federal enterprise.

CISA AlertsApr 20, 20262m5

Hackers Abuse QEMU for Defense Evasion

Hackers Abuse QEMU for Defense Evasion

The machine emulator has been abused in at least two different campaigns distributing ransomware and remote access tools.

SecurityWeekApr 20, 20263m6

Why Most AI Deployments Stall After the Demo

The Hacker News

Why Most AI Deployments Stall After the Demo

AI projects stall when clean demos meet messy operations, latency, and governance gaps, limiting enterprise impact.

The Hacker NewsApr 20, 20264m6

Bluesky Disrupted by Sophisticated DDoS Attack

Bluesky Disrupted by Sophisticated DDoS Attack

A pro-Iran hacker group has taken credit for the attack on Bluesky, which appears to have lasted 24 hours.

SecurityWeekApr 20, 20262m6

Anthropic MCP Design Vulnerability Enables RCE, Threatening AI Supply Chain

The Hacker News

Anthropic MCP Design Vulnerability Enables RCE, Threatening AI Supply Chain

MCP design flaw enables RCE across 7,000+ servers and 150M downloads, impacting AI SDKs and supply chains.

The Hacker NewsApr 20, 20263m5

Senate Extends Surveillance Powers Until April 30 After Chaotic Votes in House

Senate Extends Surveillance Powers Until April 30 After Chaotic Votes in House

The Senate approved a short-term renewal until April 30 of a controversial surveillance program used by U.S. spy agencies.

SecurityWeekApr 20, 20265m5

Half of the 6 Million Internet-Facing FTP Servers Lack Encryption

Half of the 6 Million Internet-Facing FTP Servers Lack Encryption

The continued use of the half-century-old protocol exposes enterprises and end users to various types of attacks.

SecurityWeekApr 20, 20263m5

Microsoft pulls service update causing Teams launch failures

BleepingComputer

Malware & Threats

Microsoft pulls service update causing Teams launch failures

Microsoft has reverted a recent service update that was preventing some customers from launching the Microsoft Teams desktop client.

BleepingComputerApr 20, 20263m5

Microsoft releases emergency updates to fix Windows Server issues

BleepingComputer

Malware & Threats

Microsoft releases emergency updates to fix Windows Server issues

Microsoft has released out-of-band (OOB) updates to fix issues affecting Windows Server systems after installing the April 2026 security updates.

BleepingComputerApr 20, 20263m5

Next.js Creator Vercel Hacked

Next.js Creator Vercel Hacked

Vercel confirmed suffering a breach after a hacker claiming to be part of ShinyHunters offered to sell stolen data for $2 million.

SecurityWeekApr 20, 20262m12