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ha cluster
About this tag
The ha cluster tag on WindowsForum.com covers discussions about high-availability configurations in enterprise IT environments, with a focus on Citrix NetScaler ADC and NetScaler Gateway appliances. Recent content highlights the critical CVE-2025-7775 vulnerability, a memory overflow issue leading to pre-auth remote code execution or denial-of-service, which CISA added to its Known Exploited Vulnerabilities catalog due to active exploitation. Threads under this tag emphasize urgent patching and verification steps for administrators managing clustered deployments. Topics include vulnerability assessment, patch management, and maintaining uptime in high-availability setups, reflecting real-world security challenges for IT professionals.
CISA has added a critical Citrix NetScaler vulnerability — CVE-2025-7775 — to its Known Exploited Vulnerabilities (KEV) Catalog after evidence of active exploitation, prompting an urgent patch-and-verify cycle for NetScaler ADC and NetScaler Gateway operators worldwide.
Background
CVE-2025-7775...