CVE-2026-33825 — Microsoft Defender Insufficient Granularity of Access Control Vulnerability
2026-04-22 • CISA Known Exploited Vulnerability
[event] Microsoft Defender contains an insufficient granularity of access control vulnerability that could allow an authorized attacker to escalate privileges locally.
> AFFECTED SOFTWARE
| Field | Value |
|---|---|
| Vendor | Microsoft |
| Product | Defender |
| CWE | CWE-1220 |
| CVE ID | CVE-2026-33825 |
| Date Added | 2026-04-22 |
| Due Date | 2026-05-06 |
| Ransomware Campaign | Unknown |
> MITIGATION
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Due Date: 2026-05-06