CVE vulnerability advisories and patch guidance
This week's security landscape was dominated by critical vulnerabilities and significant breaches, prompting urgent patching and heightened defensive measures across multiple sectors. Top Security Stories Hackers Exploit Critical
CVE-2026-20817 lets attackers escalate to SYSTEM via Windows Error Reporting. Patch now, check exposure, and lock it down.
Microsoft confirmed a high-risk security bypass vulnerability, CVE-2026-21509, which is currently being exploited. This flaw lets attackers get around Object Linking and Embedding (OLE) security.
Microsoft recently identified a critical vulnerability, CVE-2026-21509, affecting several versions of Microsoft Office.
Microsoft released an emergency security update for a vulnerability known as CVE-2026-21509.
Deploy the 2023 Secure Boot certificates before the 2011 certificates expire in June 2026. Registry keys, scheduled task, and verification steps.
CVE: CVE-2025-34352 CVSS: 8.5 (High) Affected: JumpCloud Remote Assist for Windows < 0.317.0 Patch Available: Yes Published: December 2, 2025 TL;DR * High-severity privilege escalation vulnerability in
Getting CVE-2025-62221? This guide shows exactly how to resolve this your software error with tested solutions.
A remote code execution (RCE) vulnerability, CVE-2025-48984, allows authenticated domain users to execute arbitrary code on Veeam Backup Servers running version 12.3.2.3617 or earlier. The exploit uses
