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Last Week in Tech - Citrix's Shut-It-Down Weekend, a Mail Gateway With No Patch, and the AI Price War Arrives

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Last Week in Tech for Monday 5 October 2026, covering the week from 27 September.

Citrix NetScaler zero-days (27 Sep). CVE-2026-88771 (unauthenticated command execution, all deployments including default config) and CVE-2026-88772 (memory overflow, RCE when DTLS is on — the VPN default). Citrix: CVSS v4.0 9.5 for both. Fixed in 14.1-73.37, 13.1-64.23 and FIPS/NDcPP builds; 12.1 and 13.0 are end-of-life with no patch. CISA KEV 27 Sep, deadline 30 Sep. Mandiant: exploitation since at least 3…

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