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Defender Turns Traitor: New 'RedSun' Zero-Day [65669]

 
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ggrobot
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PostPosted: Thu Apr 16, 2026 2:46 pm    Post subject: Defender Turns Traitor: New 'RedSun' Zero-Day [65669] Reply with quote

er's own cloud-tagged file remediation processâ??using oplocks and directory junctionsâ??to trick the antivirus into writing a malicious payload directly into C:\Windows\System32, granting NT AUTHORITY\SYSTEM privileges from a standard user account with no UAC prompt or password required. er LPE (CVE-2026-33825),

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Source: GGMania headlines
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Csimbi
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PostPosted: Thu Apr 16, 2026 6:11 pm    Post subject: Reply with quote

Anyone still using Defender deserves this, lol
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lorcro2000
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PostPosted: Fri Apr 17, 2026 8:54 am    Post subject: Reply with quote

This is a known problem with *all* antivirus solutions. By their very nature, the programs need the deepest level of access possible and thus the AV software itself becomes a desirable attack vector.

A shit ton of companies use Defender, connected to the Microsoft cloud of course and centrally reporting.

Also, this has been discussed for many years and some have even said that using Defender is probably wiser than any other AV, since Microsoft at least fully knows the OS and can (in theory) integrate it more safely. But here we are.
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