critical
CISA KEV
Ransomware
CVE-2026-33825
Microsoft Defender Insufficient Granularity of Access Control Vulnerability
Description
Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Federal remediation due May 6, 2026 — past due
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