19th May 2026 Cyber Update: Exchange Zero-Day Puts On-Prem Mail Servers Back in the Spotlight
Microsoft has confirmed active exploitation of CVE-2026-42897, putting exposed on-prem Exchange and Outlook Web Access environments back under pressure.
Stargate has become the clearest warning flare in the AI boom, as Norway, Australia and a handful of hyperscalers turn the race for compute into a high‑stakes battle over who will own, power and ultimately control the global inference economy.
Australia’s A$25bn AI wager, Bezos’s leap into “physical AI” and Musk’s push to shift data centres into orbit turned this week into a defining moment in the AI global industrial contest, with the Global South emerging as both proving ground and prize in the new AI steel age.
Stryker is rebuilding after a cyberattack that wiped about 80,000 devices via a compromised Intune admin account, with up to 50TB of data reportedly exfiltrated. As US systems face similar probes, Australia is exposed, increasing pressure on boards to tighten cyber controls and readiness.
Microsoft’s March 2026 Patch Tuesday fixes 83 flaws, including three critical Office vulnerabilities exploitable through the Preview Pane that allow code execution without opening files, and a Copilot-linked Excel bug that could leak data. The ACSC urges immediate patching under the Essential Eight.
A Western Australian government audit has exposed critical Microsoft 365 security failures across seven state entities, leading to a data breach that leaked information on minors and a separate business email compromise incident resulting in the theft of $71,000 through fraudulent invoices.
Microsoft has issued an emergency patch for a high-severity zero-day vulnerability (CVE-2026-21509) in Microsoft Office. The flaw, which bypasses key security features, is being actively exploited in targeted attacks, posing a significant risk to organizations globally, including in Australia.
Microsoft has issued an emergency patch for a critical zero-day vulnerability (CVE-2026-20805) in its Windows operating system that is being actively exploited by attackers. The flaw affects all supported versions of Windows.
Microsoft has issued an out-of-band security update for a critical Remote Code Execution vulnerability, CVE-2025-59287, in its Windows Server Update Service. The flaw, which has a CVSS score of 9.8, is under active exploitation by threat actors, prompting a high-priority alert from CISA.
Microsoft’s chip-level cooling breakthrough is transforming the economics of AI infrastructure. As trillion-dollar data centre projects surge, energy, cooling, and workforce demands are redefining the future of global technology.
Microsoft patches 137 vulnerabilities including critical SPNEGO flaw, SAP addresses record 27 security notes with maximum CVSS 10.0 vulnerability, while 2.3 million users fall victim to sophisticated browser extension hijacking campaign.
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