vulnerability
Microsoft Patches Exploited UnDefend and RedSun Defender Zero-Days
High
Summary
Microsoft released patches for two previously exploited zero-day vulnerabilities within its Defender security software. These vulnerabilities, CVE-2026-41091 and CVE-2026-45498, allowed for privilege escalation and denial-of-service attacks, respectively. The discovery and patching of these flaws highlight the ongoing need for proactive security measures and timely updates within Microsoft Defender.
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