Latest coverage for Patch Tuesday

Also, US Sanction Cybercrime Enablers, Celine Dion Ticket ScamThis week, ransomware victims paying less, cybercrime sanctions, Celine Dion ticket scams, 23andMe to pay $18 million, a 13-year old Daixin infection, Spiral ransomware, Patch Tuesday, CISA ordered rapid SharePoint patching and Spanish police busted a cybercrime ring. Sore Egyptian World Cup losers.

LegacyHive PoC exposes a Windows Privilege Escalation flaw affecting fully patched Windows desktop and server systems. Just hours after Microsoft’s July 2026 Patch Tuesday, security researcher Nightmare Eclipse, also known as Chaotic Eclipse, published a new Windows zero-day proof-of-concept called LegacyHive. This time, the target is the Windows User Profile Service (ProfSvc), and unlike the […]

Mega hardware vendor reports problems - but Windows maker isn't yet naming affected models

Security researcher Chaotic Eclipse (aka Nightmare-Eclipse) has released a new proof-of-concept (PoC) exploit called LegacyHive

Microsoft released fixes for a record 570 CVEs in its July Patch Tuesday update, as experts warn AI is dramatically accelerating vulnerability discovery and increasing patch volumes

Three of the 622 CVEs for which Microsoft issued patches this week are zero-days; there are more than 60 critical vulnerabilities.

Patch Tuesday: Microsoft fixes a record 621 CVEs, including 2 exploited zero-days and critical flaws affecting SharePoint, RDP, Hyper-V, and AD FS. Microsoft’s July 2026 Patch Tuesday is, by a significant margin, the largest single-month security release in the company’s history. The Zero Day Initiative counted 621 new Microsoft CVEs for the month, and the […]

Remember when last month's 206 CVEs seemed eye-watering? Yeah, those were the days

Microsoft shipped its largest Patch Tuesday on record today, and two of the fixes close holes that attackers are already exploiting. The release covers 622 of Microsoft's own CVEs by its Security Update Guide count, more than triple June's previous high of around 200

Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last month. Microsoft attributed the burgeoning patch counts to vulnerability discoveries aided by artificial intelligence.

Microsoft has released the Windows 10 KB5099539 extended security update, which includes this month's record-breaking July 2026 Patch Tuesday fixes, along with additional security improvements. [...]

Today is Microsoft's July 2026 Patch Tuesday, and with it comes security updates for a record-breaking 570 flaws, including two zero-day vulnerabilities exploited in attacks and one publicly disclosed. [...]

July 2026 Patch Tuesday landed with 570 fixes, a number driven by Microsoft running AI across the Windows codebase. Two flaws are being exploited right now, and the SharePoint one is rated Moderate. Here is what to work first, why a severity score is not your risk, and three free Sigma hunts you can import today.