CVE detail
CVE-2026-33825: Microsoft Defender Insufficient Granularity of Access Control Vulnerability
Source: CISA Known Exploited Vulnerabilities catalog · back to feed
Vendor / product
Microsoft · Defender
- Date added (KEV)
- Apr 22, 2026
- CISA due date
- May 06, 2026
- Ransomware campaign use
- Unknown
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.
Vendor fix: Vendor advisory
Scorifya interpretation
AI-generatedA short, structured read of the record above — generated when this page first loads, then cached for a week.
Plain English
Technical detail
From CISA
Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 ; https://nvd.nist.gov/vuln/detail/CVE-2026-33825
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-33825US Government Resource
- https://www.huntress.com/blog/nightmare-eclipse-intrusionThird Party Advisory
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Check your domain's public posture
Scorifya doesn't test for specific CVEs, but if patching Microsoft changed your headers or TLS, a fresh hardening scan helps confirm nothing regressed externally.