CVE-2026-33825 — Microsoft Defender Insufficient Granularity of Access Control Vulnerability
Severity: Critical · Kind: Vulnerability
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From the source
Microsoft Defender. Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally. 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.
Vulnerability facts
- CVE
- CVE-2026-33825
- On CISA KEV since
- 2026-04-22
- Ransomware use
- Unknown
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Plain-English summaries are AI-generated and reviewed for tone, not technical accuracy. For incident response, always rely on the original source linked above.