Microsoft — Defender — Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.
Details
EPSS Score
ⓘ
6.75%
93.3th percentile
Confidence
100%
CISA KEV
Date Added
Apr 22, 2026
Patch Due
May 6, 2026
Used in ransomware campaigns
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.