Windows

The BlueHammer Windows zero-day vulnerability allows attackers to gain SYSTEM-level access using public exploit code, posing a major security risk.

CVE-2025-23358 in NVIDIA App allows code execution—learn about the risk, affected versions, and urgent patching steps.

FIN7 uses SSH backdoor for remote access—learn about the tactics, persistence, and defenses to protect against this advanced threat.

GDI flaws in Windows allow remote code execution—learn about the CVEs, risks, and patches to secure your system from EMF-based attacks.

Windows 11 adds Quick Memory Scan after BSOD—learn how it detects issues, runs on reboot, and boosts system stability for smoother computing.

With Windows 10 support ending October 14, 2025, users face malware and breach risks—upgrade to Windows 11 or get ESU for patches. Learn quick steps to back up data, use antivirus, and avoid cyber threats post-support.

CISA flags CVE-2021-43226 in Windows CLFS Driver for active exploitation, enabling local attackers to gain SYSTEM privileges via buffer overflows. Impacts Win10/11 & Servers 2016-2022; federal deadline Oct 27—apply updates, monitor Event IDs 4656/4658, and scan for vulnerabilities now.

Threat actors use vulnerable Windows 8.1 WerFaultSecure.exe on patched Windows 11 24H2 to dump unencrypted LSASS memory via PPL bypass, extracting NTLM hashes and passwords for escalation. Zero Salarium details evasion tactics; defenders urged to monitor WER tools and anomalous PPL activity.

Microsoft's September 2025 Patch Tuesday updates disrupt SMBv1 connectivity over NetBT in Windows 11/10 and Servers (2022/2025), exposing legacy risks like EternalBlue/WannaCry. Learn affected systems, security dangers, PowerShell fixes, and migration tips to SMBv2/3.

Zero Salarium's EDR-Freeze proof-of-concept uses Windows' MiniDumpWriteDump to freeze EDR and antivirus software indefinitely, offering a stealthy alternative to BYOVD attacks without third-party drivers or detection risks.