News Windows Microsoft fixes Defender’s false “turned off” alerts on Windows 10, 11, and Server September 25, 2026 by Alex Mira | Leave a Comment Microsoft has fixed a Microsoft Defender bug that falsely warned some PCs that antivirus was turned off. The correction arrives via Defender update 4.18.26080.4 and should apply automatically. Read more » Microsoft Defender Security updates Windows 10 Windows 11 Windows security Windows Server
News Windows Windows 11’s optional KB5120998 is scrambling mouse cursor settings. Microsoft is investigating. August 31, 2026 by Alex Mira | Leave a Comment Microsoft acknowledges reports that Windows 11’s optional KB5120998 alters mouse cursor settings and is investigating. Separate Defender false alerts are also reported. Read more » 24h2 25H2 KB5120998 microsoft Microsoft Defender Windows 11 Windows Update
News Security ShieldBreak (CVE-2026-69414): What’s confirmed about the new Microsoft Defender elevation-of-privilege flaw August 18, 2026 by Alex Mira | Leave a Comment ShieldBreak (CVE-2026-69414) is a Microsoft Defender elevation-of-privilege flaw with a patch in progress. Here’s what’s confirmed, what’s still unclear, and what to watch for. Read more » cve Microsoft Defender Patch management Privilege escalation Windows security Zero-day
News Security CVE-2026-50656 “RoguePlanet” in Microsoft Defender: what’s known and how to prepare June 22, 2026 / June 22, 2026 by Alex Mira | Leave a Comment Microsoft is preparing a fix for CVE-2026-50656 (“RoguePlanet”), an elevation-of-privilege issue in Microsoft Defender’s engine. Here’s what’s confirmed, what’s still unclear, and how to prepare while waiting for the patch. Read more » CVE-2026-50656 Elevation of Privilege Microsoft Defender RoguePlanet Windows security Zero-day
News Microsoft Defender CVEs: CVE-2026-41091 (local privilege escalation) and CVE-2026-45498 (denial of service) May 21, 2026 / May 21, 2026 by Alex Mira | Leave a Comment Two Microsoft Defender flaws—CVE-2026-41091 (local privilege escalation via link following) and CVE-2026-45498 (denial of service)—are now listed in NVD and MSRC. Here’s what’s confirmed, what remains unclear, and where to find official guidance. Read more » CVE-2026-41091 CVE-2026-45498 Endpoint security Microsoft Defender Vulnerability Management Windows security
