CVE-2026-33825
Received
Received - Intake
Insufficient Access Control in Microsoft Defender Enables Local Privilege Escalation
Publication date: 2026-04-14
Last updated on: 2026-04-23
Assigner: Microsoft Corporation
Description
Description
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| microsoft | defender_antimalware_platform | to 4.18.26030.3011 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-1220 | The product implements access controls via a policy or other feature with the intention to disable or restrict accesses (reads and/or writes) to assets in a system from untrusted agents. However, implemented access controls lack required granularity, which renders the control policy too broad because it allows accesses from unauthorized agents to the security-sensitive assets. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is caused by insufficient granularity of access control in Microsoft Defender. It allows an authorized attacker to elevate their privileges locally on the affected system.
How can this vulnerability impact me? :
The impact of this vulnerability is an elevation of privilege, meaning an attacker who already has some level of access can gain higher privileges. This can lead to full control over the affected system, potentially allowing the attacker to execute arbitrary code, access sensitive data, or disrupt system operations.
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