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TechRadar
TechRadar
Sead Fadilpašić

An ancient Microsoft Excel security flaw could let hackers hijack your entire system, so patch now

Someone using Excel on a Laptop.
  • CISA adds 18‑year‑old Excel flaw (CVE‑2009‑0238) to KEV catalog
  • Vulnerability enables RCE via malicious Excel files, patched long ago
  • Outdated systems still at risk; agencies ordered to patch by April 28

Incredible as it may sound, there are still systems out there vulnerable to 18-year-old Microsoft Excel vulnerabilities, and unsurprisingly, cybercriminals are taking advantage of that fact.

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