![Cybersecurity News | Daily Recap [01 Jun 2026]](https://www.hendryadrian.com/tweet/image/DailyRecap.png "Cybersecurity News | Daily Recap [01 Jun 2026]")
Daily Recap, Microsoft addressed an outage impacting MFA setup and the MySignIn service, and also fixed Windows security update installation issues tied to KB5089549, while a critical Windows Netlogon RCE flaw is being actively exploited and needs urgent patching. Elsewhere, attackers targeted a Linux kernel and a Palo Alto Networks vulnerability that had reportedly been exploited for weeks, an npm supply chain attack involving codexui-android stole OpenAI Codex authentication tokens, and election threats are increasingly focusing on campaign systems.
#MySignIn #MFAsetup #KB5089549 #WindowsNetlogon #NetlogonRCE #LinuxKernel #rootaccess #PaloAltoNetworks #codexui-android #OpenAICodex #npmSupplyChain #infostealer #campaignsystems
#MySignIn #MFAsetup #KB5089549 #WindowsNetlogon #NetlogonRCE #LinuxKernel #rootaccess #PaloAltoNetworks #codexui-android #OpenAICodex #npmSupplyChain #infostealer #campaignsystems
Microsoft Issues
- Microsoft addressed an outage that disrupted MFA setup and the MySignIn service, and also fixed KB5089549 Windows security update installation problems. – MFA Fix, Update Fix
- A critical Windows Netlogon RCE flaw is now being actively exploited in attacks, raising the urgency for patching Windows systems. – Netlogon RCE
Vulnerability Exploits
- A 19-year-old Linux kernel vulnerability can expose systems to root access, highlighting the risk posed by long-lived flaws in core infrastructure. – Linux Root
- A recent Palo Alto Networks vulnerability was reportedly exploited for weeks, showing how quickly attackers weaponize newly disclosed enterprise bugs. – Palo Alto Exploit
Supply Chain & Malware
- An npm supply chain attack via codexui-android stole OpenAI Codex authentication tokens, underscoring the continued threat from compromised packages. – Codex Tokens
- Users described what happens after an infostealer infection, illustrating how stolen credentials and account takeover can unfold in real-world compromises. – Infostealer Impact
Election Security
- Election-related threats are increasingly aimed at campaign systems rather than voting machines, shifting attention to political organizations’ digital defenses. – Election Threats
Industry & Training
- A webinar on moving from alert to resolution in network incident response highlights practical workflows for faster incident response. – IR Webinar