How to Use zero-day in a Sentence

zero-day

adjective
  • The next day was a zero-day, one of our few rest days of the trip.
    — John Todd, Outdoor Life, 9 July 2026
  • Think of it as a zero-day exploit.
    — Aidan McLaughlin, Vanity Fair, 16 Apr. 2026
  • Finding a zero-day was like striking gold.
    — Ambuj Kumar, Forbes.com, 12 Feb. 2026
  • What sets it apart most is the zero-day waiting period.
    — Michael Kurko, USA Today, 28 June 2026
  • Clop has a long track record of stealing data through zero-day flaws rather than encrypting systems.
    — Kurt Knutsson, FOXNews.com, 3 Jan. 2026
  • Luckily, because this is a zero-day, there’s no evidence that the exploit has been used.
    — PC Magazine, 24 Oct. 2025
  • There’s a new zero-day or breach every day, but that doesn’t mean it’s actively being exploited.
    — PC Magazine, 24 Oct. 2025
  • All those users must now update Chrome, after Google warned that a new zero-day exploit has been found in the wild.
    — Zak Doffman, Forbes.com, 28 Mar. 2025
  • The scariest ransomware is the zero-day type that’s never been detected before.
    — PCMAG, 4 Mar. 2025
  • The group was also willing to pay premium prices for zero-day exploits from exploit brokers.
    — ArsTechnica, 8 Apr. 2025
  • The flaw is the third zero-day exploit Google has uncovered this year targeting Chrome users.
    — Michael Kan, PCMAG, 6 June 2023
  • The same capability that let a model find a zero-day and chain it into a breach can let a defender find that same zero-day first and patch it.
    — Ashish Bhatia, Forbes.com, 19 Aug. 2026
  • It has also been reported the breach may be linked to an unpatched Microsoft Exchange zero-day.
    — WIRED, 12 Aug. 2023
  • This is the team behind many of the zero-day spyware discoveries plaguing Android and iPhone.
    — Zak Doffman, Forbes.com, 26 Jan. 2026
  • The zero-day vulnerabilities were found before developers were made aware and could patch them.
    — Kate O'Flaherty, Forbes.com, 17 Apr. 2025
  • The new method solves the drug-residue problem because moxidectin, the newer version of ivermectin, has a zero-day withdrawal, at least when used in cattle.
    — Maryn McKenna, WIRED, 19 July 2023
  • That same advisory also famously warns users to switch their phones off and on again each week to help protect against phishing attacks and zero-day exploits.
    — Zak Doffman, Forbes.com, 16 Sep. 2025
  • Even in the zero-day-expiry market, more than 90% of trades are done with capped risk, according to data provided by the exchange.
    — Oliver Renick, CNBC, 21 Aug. 2026
  • Options and zero-day options have become a significant part of the daily trading landscape in the last several years.
    — Jason Gewirtz, CNBC, 10 May 2025
  • The zero-day the group used is now being tracked as CVE-2025-8088.
    — Dan Goodin, ArsTechnica, 12 Aug. 2025
  • The Berlin event got off to a flying start on May 14 as Windows 11 was hit by no less than three zero-day exploits.
    — Davey Winder, Forbes.com, 16 May 2026
  • Relaying the latest zero-day exploit in a newsletter isn’t nearly as effective as getting face-to-face and sharing real stories.
    — Expert Panel®, Forbes.com, 8 Sep. 2025
  • If a zero-day virus or data-stealing Trojan gets past your defenses, an antivirus update will typically remove it before long.
    — PCMAG, 9 Feb. 2025
  • Investigators found no evidence of zero-day exploits.
    — Emil Sayegh, Forbes.com, 30 Aug. 2025
  • Project Zero is a team of security analysts whose goal is to find and report zero-day exploits that could impact Google's ecosystem of devices.
    — Justyn Newman, PC Magazine, 7 Aug. 2026
  • This enables defenders to anticipate attacks and take preventive action before a zero-day exploit or breach occurs.
    — Srinivas Shekar, Forbes.com, 18 May 2026
  • These hackers gather to see who can be the first, running against the clock, to successfully hack a variety of targets from smartphones to printers and routers using a zero-day compromise.
    — Davey Winder, Forbes, 23 Jan. 2025
  • The models found a previously unknown flaw, a zero-day vulnerability, and used it to escape containment.
    — Ashish Bhatia, Forbes.com, 28 July 2026
  • Progress Software disclosed a zero-day vulnerability in its MoveIt file-transfer tool in May.
    — Catherine Stupp, WSJ, 3 Aug. 2023
  • This follows Google’s warning early this month that two zero-day vulnerabilities are being actively exploited in the wild.
    — Zak Doffman, Forbes, 23 Mar. 2025

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'zero-day.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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