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SecurityWeek reports ‘ShieldCrash’ zero-day exploit targeting Microsoft Defender

SecurityWeek says the exploit provides full system privileges on Windows machines running the September 2026 patches.

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2 Sources, 23d ago, first seen 23d ago

TLDR

A new zero-day exploit called ShieldCrash targets Microsoft Defender, SecurityWeek reports. The outlet says it provides full system privileges on Windows machines running the September 2026 patches.

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3.3K

2 Sources, first seen 23d ago

9 likes1 saves3 reposts

Combined views

3.3K

2 Sources, first seen 23d ago

9 likes1 saves3 reposts

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2 Sources

@SecurityWeekNew ‘ShieldCrash’ Zero-Day Exploit Targets Microsoft Defender https://www.securityweek.com/new-shieldcrash-zero-day-exploit-targets-microsoft-defender/23d
@NeowinFeedA new skeleton proof-of-concept demonstrates an arbitrary file read as SYSTEM on fully updated Windows systems, highlighting recurring flaws in Microsoft's patching process. #WindowsDefender #Security https://www.neowin.net/news/msnightmare-drops-shieldcrash-zero-day-after-windows-11-patch/23d
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    2 Sources

    @SecurityWeekNew ‘ShieldCrash’ Zero-Day Exploit Targets Microsoft Defender https://www.securityweek.com/new-shieldcrash-zero-day-exploit-targets-microsoft-defender/23d
    @NeowinFeedA new skeleton proof-of-concept demonstrates an arbitrary file read as SYSTEM on fully updated Windows systems, highlighting recurring flaws in Microsoft's patching process. #WindowsDefender #Security https://www.neowin.net/news/msnightmare-drops-shieldcrash-zero-day-after-windows-11-patch/23d
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