Latest cybersecurity reporting from selected sources.

Signs Point to Multiple Exploit Chains, One Including a Zero-Day, Being EmployedData-stealing attacks targeting Oracle E-Business Suite, for which an affiliate of Russian-speaking Clop ransomware group is claiming credit, appear to have begun by August and involved multiple attack chains, of which one targeted a zero-day vulnerability, report Google threat researchers.

Researchers have released a report detailing how a recent WinRAR path traversal vulnerability tracked as CVE-2025-8088 was exploited in zero-day attacks by the Russian 'RomCom' hacking group to drop different malware payloads. [...]

Researchers at ESET observed strengthened cyber-offensive activity from Russian groups, especially against Ukrainian and European entities

Trend Research discusses the delivery methods, custom payloads, and techniques used by Water Gamayun, the suspected Russian threat actor abusing a zero-day vulnerability in the Microsoft Management Console framework (CVE-2025-26633) to execute malicious code on infected machines.

Trend Research identified Russian threat actor Water Gamayun exploiting CVE-2025-26633, a zero-day vulnerability in the Microsoft Management Console that attackers exploit to execute malicious code and exfiltrate data.

Also: Ivanti Exploitation Continues; Apple Fixes First Zero-Day of 2024This week, U.S. short seller lender EquiLend Holdings was hacked, the Ivanti exploitation continued, Apple addressed the first zero-day of 2024, Ukraine said hackers had hit a Russian research center, Kasseika ransomware evolved, North Korean hackers were active, and Trello experienced a data leak.

With this zero-day, researchers say the 'scrappy' group is stepping up its operations The Winter Vivern cyber spy group is exploiting an XSS zero-day vulnerability in attacks on European governments.…