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Windows Defender Update for 0-day Vulnerability Breaks Virus Scans

📅 19 August 2026 at 12:54 UTC📰 Cyber Security NewsView original source ↗
Windows Defender Update for 0-day Vulnerability Breaks Virus Scans

Microsoft Defender has been aborting Quick, Full, and Offline virus scans after a cluster of Security Intelligence updates reached Windows PCs on August 18, 2026, leaving home users and Defender for Endpoint admins without a reliable malware check. Community testers now treat the outage as a bad definition rollout. Some Reddit users go further and […] The post Windows Defender Update for 0-day Vulnerability Breaks Virus Scans appeared first on Cyber Security News.

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