Consumer Alerts Tracker
CISA KEV

Microsoft Defender Insufficient Granularity of Access Control Vulnerability

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

Official details

Category
Known exploited vulnerability
Classification
Ransomware use: Unknown
Company or vendor
Microsoft Defender
Affected product
Defender
Risk or reason
Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.
Remedy or 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.
Official ID
CVE-2026-33825