CVE-2026-33825
Microsoft Defender Elevation of Privilege Vulnerability
Microsoft Defender Insufficient Granularity of Access Control Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.
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.
CISA notes
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33825 ; https://nvd.nist.gov/vuln/detail/CVE-2026-33825
Description
Insufficient granularity of access control in Microsoft Defender allows an authorized attacker to elevate privileges locally.
Severity
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:CAffected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft Defender Antimalware Platform | 4.0.0.0 to <4.18.26030.3011 |
References
1 LinksRecord Details
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Related Tool Categories
Tool categories that test for or protect against this vulnerability class.
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.