Microsoft says it's still investigating a known issue that causes the Copilot and Copilot Chat buttons in Classic Outlook to disappear for some Windows users. [...]

Attackers now exploit a critical-severity ConnectWise ScreenConnect vulnerability in the wild, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). [...]

Microsoft has reminded customers that Windows Server 2022 will reach the end of mainstream support next month and enter extended support until October 2031. [...]

Google has released the September 2026 security patches to address 110 vulnerabilities affecting its Pixel devices, including one zero-day flaw actively exploited in targeted attacks. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned security teams that ransomware gangs have now joined ongoing attacks exploiting a critical VMware vCenter vulnerability patched in July. [...]

Five alleged leaders of the Black Axe cybercrime syndicate, known for its involvement in global-scale cyber-enabled financial fraud, have been extradited to the United States to face wire fraud and money laundering charges. [...]

Microsoft has confirmed that copy and paste may silently fail for some Excel users after installing the September 2026 KB5002914 security update. [...]

Cisco warned customers to patch a critical Secure Email Gateway zero-day security flaw that threat actors have been exploiting in attacks. [...]

Microsoft has fixed a bug that prevented Teams and Outlook from launching on ARM-based Windows devices after installing updates released since the August 2026 Patch Tuesday. [...]

Trezor has revealed that phishing attacks against its customers earlier this week targeted 347,000 email addresses and affected 2,500 users who clicked an embedded malicious link. [...]

A Ukrainian national has been sentenced to four years in prison for his role in Conti ransomware attacks between 2021 and 2022. [...]

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. [...]

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. [...]

CISA confirmed today that ransomware gangs have begun abusing a high-severity Microsoft SharePoint remote code execution vulnerability, which has been flagged as actively exploited since early July. [...]