Windows
Everything filed under microsoft in our cybersecurity coverage, the 11 reports filed on it so far.
Windows 11 KB5124010 update crashes apps using AC-3 audio
Microsoft confirms the optional September 2026 KB5124010 preview update for Windows 11 causes crashes in some games and applications that use AC-3...
BlueMoon Exploit Kit Chains Chrome, Windows Zero-Days
A new exploit kit called BlueMoon, which chains three recent zero-day vulnerabilities in Chrome and Windows, has been rapidly adopted by multiple...
APT31 and Three Spy Groups Deploy BlueMoon Chrome-Windows Exploit Kit
Four espionage groups, including APT31, used the new BlueMoon exploit kit in late August and early September 2026.
Microsoft Patches Record 974 Flaws, Two Exploited Zero-Days
Microsoft's September 2026 Patch Tuesday addressed a record 974 vulnerabilities, including two Windows zero-days under active exploitation. The U.S.
REVSTEALER Leaves Four Modules to Disable Windows Security
Elastic Security Labs has identified four new programs linked to the REVSTEALER infostealer that persist after the main malware deletes itself.
BraZetsu Malware Fuels Criminal Access Marketplace
Group-IB researchers detail the BraZetsu malware framework, used by the Exilware group to compromise Windows hosts and sell access on an underground...
Silver Fox Campaign Cripples Windows Security
A Chinese threat group dubbed Silver Fox is running a malware campaign using counterfeit software download sites to deliver malicious installers.
CISA Advisory Critical Vulnerability CVE-2026-44772
Q2 2026 saw unprecedented CVE registrations driven by AI adoption, with critical vulnerabilities spiking and exploits for unpatched flaws published...
Typosquatted RubyGems Packages Steal Browser Credentials and Crypto Wallets
Cybersecurity researchers have discovered a new typosquatting campaign targeting RubyGems users with a Windows-based information stealer. The...
Microsoft Patches 398 Flaws Including a Windows Driver Zero-Day Under Active Attack
Microsoft has released its monthly security updates, addressing 398 flaws, including a Windows driver zero-day under active attack.
Lazarus Group Exploits Windows Zero-Day Vulnerability to Gain SYSTEM Access and Deploy Backdoor
The North Korean threat actor known as Lazarus Group has been attributed to the zero-day exploitation of a newly patched security flaw impacting...