Latest coverage for Antivirus

CISA confirms BlueHammer (CVE-2026-33825) is now used in ransomware attacks to gain SYSTEM privileges through Microsoft Defender. BlueHammer, tracked as CVE-2026-33825, has moved from proof-of-concept noise to real ransomware attacks in the wild, the US CISA confirms. BlueHammer allows attackers to escalate privileges locally in Microsoft Defender. The vulnerability, along with two other zero-days dubbed […]

Microsoft confirmed the RoguePlanet Defender zero-day (CVE-2026-50656), a privilege escalation flaw, and is developing a security patch. Microsoft has acknowledged the RoguePlanet zero-day affecting Microsoft Defender, tracked as CVE-2026-50656 (CVSS score of 7.8). The vulnerability allows privilege escalation through the Microsoft Malware Protection Engine. The company stated it is aware of the issue and is […]

Cybersecurity researchers have discovered a new ransomware strain dubbed HybridPetya that resembles the notorious Petya/NotPetya malware, while also incorporating the ability to bypass the Secure Boot mechanism in Unified Extensible Firmware Interface (UEFI) systems using a now-patched vulnerability disclosed earlier this year

A now-patched security flaw in Google Chrome was exploited as a zero-day by a threat actor known as TaxOff to deploy a backdoor codenamed Trinper

Threat actors with links to the Play ransomware family exploited a recently patched security flaw in Microsoft Windows as a zero-day as part of an attack targeting an unnamed organization in the United States

Trend Micro discovered that old Atlassian Confluence versions that were affected by CVE-2023-22527 are being exploited using a new in-memory fileless backdoor.

CVE-2024-21412 was used to evade Microsoft Defender SmartScreen and implant victims with DarkMe

The APT group Water Hydra has been exploiting the zero-day Microsoft Defender SmartScreen vulnerability (CVE-2024-21412) in its campaigns targeting financial market traders. This vulnerability, which has now been patched by Microsoft, was discovered and disclosed by the Trend Micro Zero Day Initiative.

A Phemedrone information-stealing malware campaign exploits a Microsoft Defender SmartScreen vulnerability (CVE-2023-36025) to bypass Windows security prompts when opening URL files. [...]

This blog entry details how Trend Micro Cloud One™ – Workload Security and Trend Micro Vision One™ effectively detected and blocked the abuse of the CVE-2020-14882 WebLogic vulnerability in affected endpoints.

The CVE-2022-27535 local privilege-escalation security vulnerability in the security software threatens remote and work-from-home users.

Follina was all very exciting, but did you patch CVE-2022-30136? Trend Micro Research has published an anatomy of a Windows remote code execution vulnerability lurking in the Network File System.…

We provide a guide to detecting Dirty Pipe, a Linux kernel vulnerability tracked as CVE-2022-0847. 

This blog discusses how CVE-2021-4034 can be detected and blocked using Trend Micro™ Vision One™ and Trend Micro Cloud One™.