A Windows vulnerability in the Cloud Filter driver, thought to be patched six years ago, is still exploitable. A security researcher has demonstrated a new method to exploit the flaw, allowing an attacker to gain full SYSTEM-level privileges on an affected machine.
A spoofing vulnerability in Microsoft Exchange Outlook Web Access (OWA) is being actively exploited. The U.S. CISA is urging organizations to prioritize patching. Microsoft has released a fix and recommends enabling Extended Protection for Exchange Server (EEMS) to mitigate the significant risk.
A critical security flaw in NGINX Plus and NGINX Open is being actively exploited in the wild, just days after it was disclosed. The vulnerability, CVE-2026-42945, is a heap buffer overflow affecting a wide range of NGINX versions from 0.6.27 through 1.30.0.