As cited
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vulnerabilities
Microsoft working on Defender patch for ShieldBreak zero-day
Microsoft is developing a patch for ShieldBreak, a zero-day vulnerability in Defender disclosed by researcher Nightmare Eclipse and assigned CVE-2026-69414. The company is actively addressing the flaw following its recent public disclosure.
Why it matters: Organizations running Microsoft Defender should monitor for and apply the upcoming patch once available, as the vulnerability is actively known and exploitable in the interim.
- Source published
- First seen by Cybersecurity Tracker
Source attribution
Correction
Correction recorded as of .
vulnerabilities
Microsoft working on Defender patch for ShieldBreak zero-day
Microsoft is developing a patch for ShieldBreak, a zero-day vulnerability in Defender disclosed by researcher Nightmare Eclipse and assigned CVE-2026-69414. The company is actively addressing the flaw following its recent public disclosure.
Why it matters: Organizations running Microsoft Defender should monitor for and apply the upcoming patch once available, as the vulnerability is actively known and exploitable in the interim.
- Source published
- First seen by Cybersecurity Tracker