Citrix NetScaler Memory Flaw Under Active Exploitation by Four Threat Groups
A high-severity memory overread vulnerability in Citrix NetScaler is being actively exploited across multiple threat campaigns. Citrix disclosed CVE-2026-8451, a CVSS 8.8
The latest Vulnerabilities coverage, tracked and summarised by the analysts who run our SOC.
Updated daily · last update July 7, 2026
This isn't a content mill. The threats we summarise here are the ones our Sweden-based analysts watch for across client environments, around the clock. When something breaks, our customers hear it from us first.
See how MDR worksArticles
Longer-form briefings and explainers, from incident breakdowns to practical NIS2 and Zero-Trust guidance.
Cyber Security 101
Plain-language explainers on the core concepts, threats and frameworks behind modern security, for specialists and decision-makers alike.