CVE-2026-33825

Known Exploited Vulnerability Entry External Catalog

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Entry Details

CVE-2026-33825

Confirmed

Yes

2026-04-22 00:00 UTC

Timestamps

2026-04-22

2026-04-22

Scope

KEV entry: Microsoft Defender Insufficient Granularity of Access Control Vulnerability | Affected: Microsoft / Defender | Description: 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. | Due date: 2026-05-06 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 ; https://nvd.nist.gov/vuln/detail/CVE-2026-33825

References
  • {'id': 'CVE-2026-33825', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-33825'}

fc816bbe-ddcd-4efd-9006-fbf1cf1b0f77

405284c2-e461-4670-8979-7fd2c9755a60

2026-04-22 20:00 UTC

2026-04-22 20:00 UTC

Evidence (1)
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-1220"
  ],
  "date_added": "2026-04-22",
  "due_date": "2026-05-06",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "Defender",
  "vendorProject": "Microsoft",
  "vulnerabilityName": "Microsoft Defender Insufficient Granularity of Access Control Vulnerability"
}
 -
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