CVE-2026-33825: CWE-1220: Insufficient Granularity of Access Control in Microsoft Microsoft Defender Antimalware Platform
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability, identified as CVE-2026-33825 and classified under CWE-1220, involves insufficient granularity of access control within Microsoft Defender Antimalware Platform. It enables an attacker with local authorized access to escalate privileges, potentially gaining higher-level control over the affected system. The CVSS v3.1 base score is 7.8, reflecting high severity with high impact on confidentiality, integrity, and availability. The vulnerability affects version 4.0.0.0 of the product. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining full control over the affected system. The impact includes complete compromise of confidentiality, integrity, and availability of the system where Microsoft Defender Antimalware Platform version 4.0.0.0 is installed.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the vendor-provided patch promptly to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 for detailed update instructions.
CVE-2026-33825: CWE-1220: Insufficient Granularity of Access Control in Microsoft Microsoft Defender Antimalware Platform
Description
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.8high
Affected software
Microsoft
Microsoft Defender Antimalware Platform
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability, identified as CVE-2026-33825 and classified under CWE-1220, involves insufficient granularity of access control within Microsoft Defender Antimalware Platform. It enables an attacker with local authorized access to escalate privileges, potentially gaining higher-level control over the affected system. The CVSS v3.1 base score is 7.8, reflecting high severity with high impact on confidentiality, integrity, and availability. The vulnerability affects version 4.0.0.0 of the product. Microsoft has released an official fix to remediate this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to elevate privileges, potentially gaining full control over the affected system. The impact includes complete compromise of confidentiality, integrity, and availability of the system where Microsoft Defender Antimalware Platform version 4.0.0.0 is installed.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the vendor-provided patch promptly to remediate this vulnerability. Refer to the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 for detailed update instructions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-24T00:52:01.352Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825","vendor":"Microsoft"}]
Threat ID: 69de7a3b82d89c981fd6cf45
Added to database: 04/14/2026, 17:32:43 UTC
Last enriched: 08/15/2026, 14:11:59 UTC
Last updated: 09/15/2026, 04:05:05 UTC
Views: 393
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