Microsoft has fixed a known issue that wiped mouse settings on some Windows 11 systems after installing the KB5120998 August 2026 preview update. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has confirmed that ransomware gangs are also exploiting a critical WatchGuard Firebox firewall vulnerability, which it flagged as actively exploited in December. [...]

Microsoft says the September 2026 Patch Tuesday updates fix a known issue causing desktop settings to be lost or reset on some Windows devices. [...]

Trezor warned customers on Wednesday that threat actors who breached its third-party email provider are targeting them in phishing attacks. [...]

Over 36,000 Plex Media servers exposed online remain unpatched against multiple security vulnerabilities and are vulnerable to attacks. [...]

An Ohio man was sentenced to 15 years in prison for multiple cybercrimes, including sextortion and cyberstalking of numerous victims using AI-generated sexually explicit content. [...]

An anonymous security researcher known as Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldCrash" right after Microsoft rolled out its September 2026 Patch Tuesday security updates. [...]

Google has patched 230 vulnerabilities on Tuesday, including another actively exploited Chrome zero-day bug, the seventh such vulnerability patched since the start of the year. [...]

OpenAI is investigating an ongoing incident causing ChatGPT image generation failures and delays when uploading files. [...]

Microsoft says the August 2026 security update may trigger 0xc0000409 errors on Windows Server 2016 systems where the Compatibility Appraiser diagnostic service is enabled. [...]

SAP has addressed 20 vulnerabilities across multiple products in its September 2026 security updates, including a maximum-severity memory corruption flaw in the SAP Kernel code. [...]

Microsoft warned customers last week that they may experience application crashes on some Windows Server 2025 due to recent memory management changes. [...]

Online maths learning platform Mathspace disclosed over the weekend that attackers stole data from more than 1 million students, staff, and parents after breaching its Metabase internal reporting system. [...]

Cryptocurrency hardware wallet maker Trezor says an August data breach at its shipping and logistics provider, ShipMonk, affects an additional 67,000 U.S. customers. [...]

ConnectWise has shared temporary mitigation measures for a new ScreenConnect Remote Access vulnerability that it plans to patch later this week. [...]

N-able has released an emergency hotfix for a maximum-severity remote code execution (RCE) flaw affecting its N-central remote monitoring and management (RMM) platform. [...]

Attackers have begun targeting a critical-severity Citrix NetScaler auth bypass flaw (CVE-2026-19490) in the wild, according to vulnerability intelligence company Previdian. [...]

Microsoft is working to resolve a known issue that causes delays or blocks some users from opening the Microsoft Teams desktop client on Windows systems. [...]

An anonymous security researcher who uses the "Nightmare Eclipse" handle released a CrowdStrike Falcon zero-day exploit named "FalconFlank" that lets attackers escalate privileges on up-to-date Windows systems. [...]

Microsoft is working to resolve an ongoing Exchange Online outage that is delaying email sent to and received from external domains. [...]