17 Sep, 2026

CISA: Critical VMware RCE flaw now exploited by ransomware gangs

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned security teams that ransomware gangs have now joined ongoing attacks exploiting a critical VMware vCenter vulnerability patched in July. Broadcom addressed the security flaw (tracked as CVE-2026-59310) on July 29, describing it as a critical directory traversal vulnerability in the vCenter Syslog server that unauthenticated attackers […]

2 mins read

Critical VMware vCenter RCE flaw exploited for reverse SSH access

A recently patched critical vulnerability (CVE-2026-59310) in VMware vCenter Syslog Server is being exploited in an active campaign to deploy a reverse SSH tool for persistence and remote access. Compromises have been identified at 361 IP addresses across 47 countries, more than half located in Germany, the U.S., Turkey, Iran, and France. Broadcom disclosed CVE-2026-59310 […]

2 mins read

VMware fixes three critical flaws allowing auth bypass, VM escapes

Broadcom has released security updates to fix five vulnerabilities in VMware vCenter, ESX, Workstation, and Fusion, including three critical flaws that allow attackers to bypass authentication, execute arbitrary code, or escape from a virtual machine to the host. The vulnerabilities also affect products containing vCenter or ESX, including VMware Cloud Foundation, VMware vSphere Foundation, VMware […]

5 mins read

CISA flags VMware Aria Operations RCE flaw as exploited in attacks

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a VMware Aria Operations vulnerability tracked as CVE-2026-22719 to its Known Exploited Vulnerabilities catalog, flagging the flaw as exploited in attacks. Broadcom also warned that it is aware of reports indicating the vulnerability is exploited but says it cannot independently confirm the claims. VMware Aria Operations […]

2 mins read

CISA orders feds to patch actively exploited Dell flaw within 3 days

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to patch their systems within three days against a maximum-severity Dell vulnerability that has been under active exploitation since mid-2024. According to security researchers from Mandiant and the Google Threat Intelligence Group (GTIG), this hardcoded-credential vulnerability (CVE-2026-22769) in Dell’s RecoverPoint (a solution used for VMware virtual machine backup and […]

2 mins read

Chinese hackers exploiting Dell zero-day flaw since mid-2024

A suspected Chinese state-backed hacking group has been quietly exploiting a critical Dell security flaw in zero-day attacks that started in mid-2024. Security researchers from Mandiant and the Google Threat Intelligence Group (GTIG) revealed today that the UNC6201 group exploited a maximum-severity hardcoded-credential vulnerability (tracked as CVE-2026-22769) in Dell RecoverPoint for Virtual Machines, a solution used for VMware […]

3 mins read

CISA: VMware ESXi flaw now exploited in ransomware attacks

CISA confirmed on Wednesday that ransomware gangs have begun exploiting a high-severity VMware ESXi sandbox escape vulnerability that was used in zero-day attacks since at least February 2024. Broadcom patched this ESXi arbitrary-write vulnerability (tracked as CVE-2025-22225) almost one year ago, in March 2025, alongside a memory leak (CVE-2025-22226) and a TOCTOU flaw (CVE-2025-22224), and tagged them all […]

2 mins read

CISA says critical VMware RCE flaw now actively exploited

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has flagged a critical VMware vCenter Server vulnerability as actively exploited and ordered federal agencies to secure their servers within three weeks. Patched in June 2024, this security flaw (CVE-2024-37079) stems from a heap overflow weakness in the DCERPC protocol implementation of vCenter Server (a Broadcom VMware […]

2 mins read

VMware ESXi zero-days likely exploited a year before disclosure

Chinese-speaking threat actors used a compromised SonicWall VPN appliance to deliver a VMware ESXi exploit toolkit that seems to have been developed more than a year before the targeted vulnerabilities became publicly known. In attacks from December 2025 analyzed by Huntress, managed security company, the hackers used a sophisticated virtual machine (VM) escape that likely exploited three VMware […]

4 mins read

CISA warns of Chinese “BrickStorm” malware attacks on VMware servers

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned network defenders of Chinese hackers backdooring VMware vSphere servers with Brickstorm malware. In a joint malware analysis report with the National Security Agency (NSA) and Canada’s Cyber Security Centre, CISA says it analyzed eight Brickstorm malware samples. These samples were discovered on networks belonging to victim organizations, where […]

3 mins read