CVE-2026-33825High· 7.8▾ Abyssal⚠ Exploited in the wildPoC availableInsufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
▾ Abyssal zone — Critical with a public exploit or in-the-wild use
impact 42.9 · likelihood 0.1 · exploitation 25 · ransomware 5
A public proof-of-concept already exists for this vulnerability — see Exploit availability below.
Public exploit / PoC code seen in 1 source. Availability, not in-the-wild use.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Federal remediation due May 6, 2026
Last analysed / modified upstream
0.4%
5 GitHub repos (last check)
Added to the CISA catalog on Apr 22, 2026. Federal remediation due May 6, 2026. View catalog ↗
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
defender_antimalware_platform >= 4.0.0.0 < 4.18.26030.3011Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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