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Microsoft says hackers are exploiting critical zero-day bugs to target Windows and Office users
Mark Anderson | Security | February 13, 2026

Euclid Security Newsletter

February 13, 2026 

Microsoft says hackers are exploiting critical zero-day bugs to target Windows and Office users

The exploits are one-click attacks, meaning that a hacker can plant malware or gain access to a victim's computer with minimal user interaction.

 

Security News

11 steps to smarter Google account security

Give yourself some added peace of mind by giving your Google account a thorough set of security reinforcements.

Fake AI Assistants in Google Chrome Web Store Steal Passwords and Spy on Emails

Over 260,000 Google Chrome users have downloaded fake AI assistants designed to deliver malicious browser extensions which can steal login credentials, monitor emails and enable remote access by attackers.

These 4 critical AI vulnerabilities are being exploited faster than defenders can respond

From prompt injection to deepfake fraud, security researchers say several flaws have no known fix. Here's what to know about them.

WordPress plugin with 900k installs vulnerable to critical RCE flaw

A critical vulnerability in the WPvivid Backup & Migration plugin for WordPress, installed on more than 900,000 websites, can be exploited to achieve remote code execution by uploading arbitrary files without authentication.

Attackers are moving at machine speed, defenders are still in meetings

Threat actors are using AI across the attack lifecycle, increasing speed, scale, and adaptability, according to the 2026 State of Cybersecurity report by Ivanti.

Fake shops target Winter Olympics 2026 fans

In roughly the past week alone, we've identified nearly 20 lookalike domains designed to imitate the official Olympic merchandise store.

 

Important Updates & Patches

Apple Releases Security Updates with 26.3

Apple has released security updates for iPhones, iPads, Macs, Apple Watches, Apple TVs, and Safari, fixing, in particular, a zero-day flaw that is actively exploited in targeted attacks.

 

Dan's Corner

Nearly 4 in 10 Valentine's Day Emails Are Scams

Valentine's Day is meant to celebrate love, connection, and thoughtful gestures. But inboxes around the world get stuffed with Valentine's Day scam messages throughout January and February.

 

An archive of Euclid Security Newsletters can be found on the support website.

Euclid Technology Solutions, LLC
540 Devall Drive, Suite 301
Auburn, AL 36832

P: 301-657-8089
E: support@euclidtechnology.com

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