Morning Overview on MSN
Microsoft just rushed patches for two Defender zero-days code-named 'RedSun' and 'UnDefend' — both already being exploited right now on Windows devices
Microsoft pushed emergency patches this week for two zero-day vulnerabilities in Windows Defender, the antivirus software ...
Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by ...
Microsoft patched two actively exploited Defender zero-days affecting Windows systems and security components.
12don MSN
Microsoft confirms two major Defender security issues — so update now or face possible attack
CISA confirms two bugs being actively exploited in the wild, as Microsoft releases patches.
Morning Overview on MSN
CISA just added two Microsoft Defender flaws to the actively exploited list — every federal agency ordered to patch CVE-2026-41091 and CVE-2026-45498 by Wednesday
Every federal civilian agency running Microsoft Defender now faces a two-week countdown to fix two actively exploited security flaws. CISA added CVE-2026-41091 and CVE-2026-45498 to its Known ...
Microsoft fixed a Defender false positive that flagged legitimate DigiCert certificates as malware, disrupting Windows trust stores for some IT teams. A Microsoft Defender update turned trusted ...
Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why.
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