Live › vulnerability › CVE-2026-33825
Go to dashboardMicrosoft Defender contains an access control weakness that lets an already-authorized local user escalate their privileges. CISA lists it as actively exploited, and the catalog tags it with ransomware use.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 5h before NVD. All times on this page are UTC.
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Microsoft Defender | vendor | – | – |
| microsoft defender antimalware platform | vendor | < 4.18.26030.3011 | 4.18.26030.3011 |
Unknown from the sources.
Apply the mitigations Microsoft publishes for CVE-2026-33825, per CISA's required action; the sources do not name a patched version.
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.
CISA 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.
This page as .md · .json · in your agent: get_signal("CVE-2026-33825")
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