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CVE-2026-33825CISA KEV

Microsoft Defender Insufficient Granularity of Access Control Vulnerability

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEV Check MSRC

CISA catalog record

Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.

Product
Defender
Added to KEV
22 Apr 2026
Federal remediation due
6 May 2026
Known ransomware use
Yes
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